第十一周java课堂测试

Main.java

package class_third_copy;

import java.util.Scanner;

import classthird.Test;
import classthird.TestMain;
import classthird.TestTwo;

public class Main {
    public static void main(String[] args) {
        Main tm=new Main();
        
        
        tm.choice();
    
        
    }
    public void choice() {
        int choice;
        int number1;
        Test1 t1=new Test1();
        Test2 t2=new Test2();
        Test3 t3=new Test3();
        Test5 t5=new Test5();
        Scanner input=new Scanner(System.in);
        while(true) {
            System.out.println("请输入选择:1.输出字母频率 2.输出不重复的单词 3.输入排名前n的单词");
            choice=input.nextInt();
            switch(choice) {
            case 1:
                t1.test("D:\\Test\\a.txt");
　　　　　　　　　　t1.display();
                break;
            case 2:
                //te.test();
                t2.test3("D:\\Test\\a.txt");
                break;
            case 3:
                System.out.println("请输入n");
                number1=input.nextInt();
                Test3 tt3=new Test3();
                tt3.testthird("D:\\Test\\a.txt", number1-1);
                break;
            case 4:
                t5.test5("D:\\Test\\a.txt");
            }
        }
        
    }
}

Test1.java

package class_third_copy;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.text.DecimalFormat;

public class Test1 {
    
    int j=0;
     int ci=0;
    double sum=0;
    double a1;
    static char zimu[] = new char[26];//存储字母‘a-z’
    static char shu[] = new char[2000];//存储单个字母内容
    double count[]=new double[26];
    public static void main(String[] args) {
        Test1 t1=new Test1();
        t1.test("D:\\Test\\a.txt");
        t1.display();
    }
    
    public void test(String pathname) {
         Test1 t1=new Test1();
         try {
                 
                File filename=new File(pathname);
                InputStreamReader reader=new InputStreamReader(new FileInputStream(filename));
                BufferedReader br=new BufferedReader(reader);
                String line[]=new String[100];;    
                for(int i=0;i<line.length;i++)
                {
                    line[i]=br.readLine();    
                }
                br.close();
                int k=0;
                while(line[k]!=null) 
                {
                     for(int i=0;i<line[k].length();i++) 
                     {                                
                          shu[j]=line[k].charAt(i);
                          j++;                     
                     }
                     k++;
                }
                 
                /*初始化字母数组*/
                   t1.reLetter();
                   
                   /*依次判断字母并计数*/
                for(int i=0;i<shu.length;i++) 
                {
                     switch(shu[i]) {
                     case 'a'|'A':count[0]++;break;
                     case 'b'|'B':count[1]++;break;
                     case 'c'|'C':count[2]++;break;
                     case 'd'|'D':count[3]++;break;
                     case 'e'|'E':count[4]++;break;
                     case 'f'|'F':count[5]++;break;
                     case 'g'|'G':count[6]++;break;
                     case 'h'|'H':count[7]++;break;
                     case 'i'|'I':count[8]++;break;
                     case 'j'|'J':count[9]++;break;
                     case 'k'|'K':count[10]++;break;
                     case 'l'|'L':count[11]++;break;
                     case 'm'|'M':count[12]++;break;
                     case 'n'|'N':count[13]++;break;
                     case 'o'|'O':count[14]++;break;
                     case 'p'|'P':count[15]++;break;
                     case 'q'|'Q':count[16]++;break;
                     case 'r'|'R':count[17]++;break;
                     case 's'|'S':count[18]++;break;
                     case 't'|'T':count[19]++;break;
                     case 'u'|'U':count[20]++;break;
                     case 'v'|'V':count[21]++;break;
                     case 'w'|'W':count[22]++;break;
                     case 'x'|'X':count[23]++;break;
                     case 'y'|'Y':count[24]++;break;
                     case 'z'|'Z':count[25]++;break;
                     }
                }    
                
         }catch (Exception e) 
            {
                e.printStackTrace();
            }
    }
    
    public void display() {
        DecimalFormat df = new DecimalFormat("0.00");    
        System.out.println("短文中各字母出现情况统计如下：");
        /*求字母总数*/
        for(int i=0;i<26;i++) 
        {
            sum+=count[i];
        }
        
        
        /*比较出现频率大小排序、冒泡法、相同频率按字母先后顺序排序*/
        for(int x=0;x<26-1;x++)
        {
            for (int y=x+1;y<26;y++)
            {
                if (count[x]>count[y])
                {
                    double temp=count[x];
                    count[x]=count[y];
                    count[y]=temp;
                    char temp1=zimu[x];
                    zimu[x]=zimu[y];
                    zimu[y]=temp1;
                }
            }
        }
        
        /*循环显示字母出现频率*/
        for(int i=0;i<=25;i++)
        {            
                ci++;
                a1=count[i]/sum*100;
                System.out.println(ci+".字母"+zimu[i]+"的出现频率是:"+df.format(a1)+"%");   
        }
        
        /*显示字母总数*/
        System.out.println("共有"+(int)sum+"个字母");
        
    }
    
    
    /*初始化字母数组*/
    public void reLetter() 
    {
        for(int i=0;i<26;i++)
        {    
            zimu[0]='a';
            zimu[1]='b';
            zimu[2]='c';
            zimu[3]='d';
            zimu[4]='e';
            zimu[5]='f';
            zimu[6]='g';
            zimu[7]='h';
            zimu[8]='i';
            zimu[9]='j';
            zimu[10]='k';
            zimu[11]='l';
            zimu[12]='m';
            zimu[13]='n';
            zimu[14]='o';
            zimu[15]='p';
            zimu[16]='q';
            zimu[17]='r';
            zimu[18]='s';
            zimu[19]='t';
            zimu[20]='u';
            zimu[21]='v';
            zimu[22]='w';
            zimu[23]='x';
            zimu[24]='y';
            zimu[25]='z';
        }
    }


}

Test2.java

package class_third_copy;
import class_third_copy.Test1;

public class Test2 extends Test1{
    
    static String wd="";
    static String le[]=new String[1000];
    static String wd2[]=new String[1000]; 
    static String wd3[]=new String[1000]; 
    public static void main(String[] args) {
        Test2 t2=new Test2();
        //t1.test("D:\\Test\\a.txt");
        //t1.display();
        //t2.test2();
        t2.test2("D:\\Test\\b.txt");
    }
    
    /*提取出单词*/
    public void test2(String path) {
        Test1 t1=new Test1();
        int count1=0;
    
        try {
            t1.test(path);
            for(int i=0;i<Test1.shu.length;i++) 
            {
                
                if((Test1.shu[i]>='a'&&Test1.shu[i]<='z')||(Test1.shu[i]>='A'&&Test1.shu[i]<='Z'))
                {
                    wd+=Test1.shu[i];
                    continue;
                }else {
                    wd2[count1]=wd;
                    wd="";
                    //System.out.println(count1);
                    if(wd2[count1]!=""||wd2[count1]==null) {
                        //System.out.println(wd2[count1]);
                        count1++;
                    }
                }
                }
            for(int i=0;i<count1;i++) {
            
            }
        }catch(Exception e) {
            e.printStackTrace();
        }    
    }
    
    /*去掉重复的单词*/
    public void test3(String path) {
        Test1 t1=new Test1();
        int count1=0;
    
        try {
            t1.test(path);
            for(int i=0;i<Test1.shu.length;i++) 
            {
                
                if((Test1.shu[i]>='a'&&Test1.shu[i]<='z')||(Test1.shu[i]>='A'&&Test1.shu[i]<='Z'))
                {
                    wd+=Test1.shu[i];
                    continue;
                }else {
                    wd2[count1]=wd;
                    wd="";
                    //System.out.println(count1);
                    if(wd2[count1]!=""||wd2[count1]==null) {
                        //System.out.println(wd2[count1]);
                        count1++;
                    }
                }
            }
            //System.out.println(count1);
            int count2=0;
            for(int i=0;i<count1;i++) {
                for(int j=0;j<count1;j++) {
                    if(j!=i) {
                        if(wd2[i].equals(wd2[j])==true) {
                            break;
                        }
                    }
                        if(j==count1-1)
                        {
                            wd3[count2]=wd2[i];
                            /*System.out.println(wd2[i]);
                            System.out.println(wd3[count2]);*/
                            count2++;
                        }
                }
            }
            for(int i=0;i<count1;i++) {
                for(int j=0;j<count1;j++) {
                    if(j!=i) {
                        if(wd2[i].equals(wd2[j])==true) {
                            wd3[count2]=wd2[i];
                            count2++;
                            break;
                        }
                    }
                }
            }
    
            for(int i=0;i<count2;i++) {
                System.out.println(wd3[i]);
            }
        }catch(Exception e) {
            e.printStackTrace();
        }    
    }
}

Test3.java

package class_third_copy;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.HashMap;
import java.util.Map;

import classone.Test;
import classthird.TestTwo;

public class Test3 {
    public static void main(String[] args) {
        Test3 tt3=new Test3();
        tt3.testthird("D:\\Test\\a.txt", 5);
    }
    static String sw[]=new String[100];
    public Map<String,Integer> map1=new HashMap<String,Integer>();
      public void daoru(String path) throws IOException
        {
            
            File a=new File(path);
            FileInputStream b = new FileInputStream(a);
            InputStreamReader c=new InputStreamReader(b,"UTF-8");
            String string2=new String();
            while(c.ready())
            {
                char string1=(char) c.read();
                if(!isWord(string1))
                {
                    if(map1.containsKey(string2))
                    {
                        Integer num1=map1.get(string2)+1;
                        map1.put(string2,num1);
                    }
                    else
                    {
                        Integer num1=1;
                        map1.put(string2,num1);
                    }
                    string2="";
                }
                else
                {
                    string2+=string1;
                }
            }
            if(!string2.isEmpty())
            {
                if(map1.containsKey(string2))
                {
                    Integer num1=map1.get(string2)+1;
                    map1.put(string2,num1);
                }
                else
                {
                    Integer num1=1;
                    map1.put(string2,num1);
                }
                string2="";
            }
            c.close();
            b.close();
        }
        public void testthird(String path,int number) {
            String sz[];
            Integer num[];
            int MAXNUM=number; //统计的单词出现最多的前n个的个数
            sz=new String[MAXNUM+1];
            num=new Integer[MAXNUM+1];
            TestTwo tt=new TestTwo();
            int account =1;
            //Vector<String> ve1=new Vector<String>();
            try {
                tt.daoru(path);
            } catch (IOException e) {
                // TODO 自动生成的 catch 块
                e.printStackTrace();
            }
            System.out.println("英文单词的出现情况如下:");
            int g_run=0;
            //System.out.println("ssssssssss");
            Test3 t3=new Test3();
            t3.stopWrod();
            for(int i=0;i<=20;i++) {
                //System.out.println(sw[i]);
            }
            for(g_run=0;g_run<MAXNUM+1;g_run++)
            {
                account=1;
                for(Map.Entry<String,Integer> it : tt.map1.entrySet())
                {
                    
                    int thought_2=0;
                    for(int i=0;i<=20;i++) {
                        //System.out.println(sw[i]);
                        if(it.getKey().equals(sw[i]))
                        {
                            thought_2=1;
                        }
                    }
                    if(thought_2==1) {
                        continue;
                    }
                    if(account==1)
                    {    
                        sz[g_run]=it.getKey();
                        num[g_run]=it.getValue();
                        account=2;
                    }
                    if(account==0)
                    {
                        account=1;
                        continue;
                    }
                    if(num[g_run]<it.getValue())
                    {
                        sz[g_run]=it.getKey();
                        num[g_run]=it.getValue();
                    }
                    //System.out.println("英文单词: "+it.getKey()+" 该英文单词出现次数: "+it.getValue());
                }
                tt.map1.remove(sz[g_run]);
            }
            int g_count=1;
            String tx1=new String();
            for(int i=0;i<g_run;i++)
            {
                if(sz[i]==null)
                    continue;
                if(sz[i].equals(""))
                    continue;
                tx1+="出现次数第"+(g_count)+"多的单词为:"+sz[i]+"\t\t\t出现次数: "+num[i]+"\r\n";
                System.out.println("出现次数第"+(g_count)+"多的单词为:"+sz[i]+"\t\t\t出现次数: "+num[i]);
                g_count++;
            }
            try {
                tt.daochu(tx1);
            } catch (IOException e) {
                // TODO 自动生成的 catch 块
                e.printStackTrace();
            }
        }
        public void daochu(String txt) throws IOException
        {
            File fi=new File("tongji.txt");
            FileOutputStream fop=new FileOutputStream(fi);
            OutputStreamWriter ops=new OutputStreamWriter(fop,"UTF-8");
            ops.append(txt);
            ops.close();
            fop.close();
        }
        
        public boolean isWord(char a)
        {
            if(a<='z'&&a>='a'||a<='Z'&&a>='A')
                return true;
            return false;
        }
        public void stopWrod() {
            Test2 t2=new Test2();
            
            t2.test2("D:\\Test\\b.txt");
            for(int i=0;i<100;i++) {
                if(Test2.wd2[i]!=null) {
                    sw[i]=Test2.wd2[i];
                    //System.out.println(sw[i]);
                }
                
            }
        }
}

Test4.java

package class_third_copy;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.text.DecimalFormat;

public class Test4 {

        static String word5[]=new String[1000];    //存储单词
        public static void test(String pathname) {
             try {
                    char shu[] = new char[1000];//存储单个字母内容
                    char zimu[] = new char[26];//存储字母‘a-z’
                    String h1[]=new String[1000];    //存储原文内容
                    String word3[]=new String[1000];    //存储单词
                    String word4[]=new String[1000];    //存储单词
                    
                    String countword[]=new String[1000];
                    int countwordtwo=0;
                    int countwordthree=0;
                    double count[]=new double[26];
                    int j=0;
                    
                    File filename=new File(pathname);
                    InputStreamReader reader=new InputStreamReader(new FileInputStream(filename));
                    BufferedReader br=new BufferedReader(reader);
                    String line[]=new String[100];;    
                    for(int i=0;i<line.length;i++)
                    {
                        line[i]=br.readLine();    
                    }
                    br.close();
                    int k=0;
                     while(line[k]!=null) 
                     {
                         for(int i=0;i<line[k].length();i++) 
                         {                                
                              shu[j]=line[k].charAt(i);
                              j++;                     
                         }
                         k++;
                    }
                    for(int i=0;i<shu.length;i++) 
                    {
                         switch(shu[i]) {
                         case 'a':zimu[0]='a';count[0]++;break;
                         case 'b':zimu[1]='b';count[1]++;break;
                         case 'c':zimu[2]='c';count[2]++;break;
                         case 'd':zimu[3]='d';count[3]++;break;
                         case 'e':zimu[4]='e';count[4]++;break;
                         case 'f':zimu[5]='f';count[5]++;break;
                         case 'g':zimu[6]='g';count[6]++;break;
                         case 'h':zimu[7]='h';count[7]++;break;
                         case 'i':zimu[8]='i';count[8]++;break;
                         case 'j':zimu[9]='j';count[9]++;break;
                         case 'k':zimu[10]='k';count[10]++;break;
                         case 'l':zimu[11]='l';count[11]++;break;
                         case 'm':zimu[12]='m';count[12]++;break;
                         case 'n':zimu[13]='n';count[13]++;break;
                         case 'o':zimu[14]='o';count[14]++;break;
                         case 'p':zimu[15]='p';count[15]++;break;
                         case 'q':zimu[16]='q';count[16]++;break;
                         case 'r':zimu[17]='r';count[17]++;break;
                         case 's':zimu[18]='s';count[18]++;break;
                         case 't':zimu[19]='t';count[19]++;break;
                         case 'u':zimu[20]='u';count[20]++;break;
                         case 'v':zimu[21]='v';count[21]++;break;
                         case 'w':zimu[22]='w';count[22]++;break;
                         case 'x':zimu[23]='x';count[23]++;break;
                         case 'y':zimu[24]='y';count[24]++;break;
                         case 'z':zimu[25]='z';count[25]++;break;
                         case 'A':zimu[0]='a';count[0]++;break;
                         case 'B':zimu[1]='b';count[1]++;break;
                         case 'C':zimu[2]='c';count[2]++;break;
                         case 'D':zimu[3]='d';count[3]++;break;
                         case 'E':zimu[4]='e';count[4]++;break;
                         case 'F':zimu[5]='f';count[5]++;break;
                         case 'G':zimu[6]='g';count[6]++;break;
                         case 'H':zimu[7]='h';count[7]++;break;
                         case 'I':zimu[8]='i';count[8]++;break;
                         case 'J':zimu[9]='g';count[9]++;break;
                         case 'K':zimu[10]='k';count[10]++;break;
                         case 'L':zimu[11]='l';count[11]++;break;
                         case 'M':zimu[12]='m';count[12]++;break;
                         case 'N':zimu[13]='n';count[13]++;break;
                         case 'O':zimu[14]='o';count[14]++;break;
                         case 'P':zimu[15]='p';count[15]++;break;
                         case 'Q':zimu[16]='q';count[16]++;break;
                         case 'R':zimu[17]='r';count[17]++;break;
                         case 'S':zimu[18]='s';count[18]++;break;
                         case 'T':zimu[19]='t';count[19]++;break;
                         case 'U':zimu[20]='u';count[20]++;break;
                         case 'V':zimu[21]='v';count[24]++;break;
                         case 'W':zimu[22]='w';count[22]++;break;
                         case 'X':zimu[23]='x';count[23]++;break;
                         case 'Y':zimu[24]='y';count[24]++;break;
                         case 'Z':zimu[25]='z';count[25]++;
                         }
                    }    
                    int ci=0;
                    double sum=0;
                    double a1;
                    double max=0;
                    DecimalFormat df = new DecimalFormat( "0.00");    
//                    System.out.println("短文中各字母出现情况统计如下：");
                    for(int i=0;i<26;i++) {
                        if(count[i]!=0) {
                            sum+=count[i];
                        }
                    }///求字母总数
                    for (int x = 0; x < 26 - 1; x++) {
                        for (int y = x + 1; y < 26; y++) {
                            if (count[x] > count[y]) {
                                double temp = count[x];
                                count[x] = count[y];
                                count[y] = temp;
                                char temp1=zimu[x];
                                zimu[x] = zimu[y];
                                zimu[y] = temp1;
                            }
                        }
                    }
//                    for(int i=0;i<26;i++)
//                    {            
//                        if(count[i]!=0) 
//                        {
//                            ci++;
//                            a1=count[i]/sum*100;
//                            System.out.println(ci+".字母"+zimu[i]+"的出现频率是:"+df.format(a1)+"%");   
//                        }
//                    }
                    
//                    System.out.println("字母共计："+sum+"个");
                    for(int i=0;i<shu.length;i++) 
                    {
                        h1[i] = String.valueOf(shu[i]);
                    }
                    int msg1=0;
                    int count1=0; //判断单词个数
                    String word2 ="";
                    for(int i=0;i<shu.length;i++) 
                    {
                        
                        if((shu[i]>='a'&&shu[i]<='z')||(shu[i]>='A'&&shu[i]<='Z')) 
                        {    
                            word2+=h1[i];
                        }else
                        {
                            msg1=1;  
                        }
                        if(word3[i]==" ") 
                        {                //考虑标点加空格的情况
                            msg1=0;        //msg1初始化
                            word3[i]="";
                            continue;    //跳出循环
                        }
                        if(msg1==1) 
                        {                    //如果中间出现非字母
                            word3[i]=word2;    //word2存入数组
                            word2="";       //word2初始化
                            msg1=0;            //msg1初始化
                            
                        }
                        if(word3[i]==null) 
                        {     //判断为空，防止空指针
                            msg1=0;                //msg1初始化
                            word3[i]="空";
                            continue;            //跳出循环
                        }
                        if(word3[i]=="") 
                        {     //判断为空，防止空指针
                            msg1=0;                //msg1初始化
                            word3[i]="空";
                            continue;            //跳出循环
                        }
                        if(word3[i].length()==1) 
                        {                                //若长度为一，是单字母不为单词
                            msg1=0;                        //msg1初始化
                            word3[i]="";
                            continue;                    //跳出循环
                        }
                        //System.out.println(word3[i]);
                        word4[count1]=word3[i];
                        count1++;
                        if(word3[i]==""&&word3[i-1]=="") 
                        {
                            break;
                        }
                    }
                    int length=0;
                    for(int i=0;i<word4.length;i++)
                    {
                        if(word4[i]!=null) {
                            System.out.println(word4[i]);
                            word5[length]=word4[i];
                            length++;
                        }else {
                            break;
                        }
                    }
                }catch (Exception e) 
                {
                    e.printStackTrace();
                }
    }
        public static void main(String[] args) {
            Test2 t2=new Test2();
            String sw[]=new String[1000];
            t2.test3("D:\\Test\\b.txt");
            for(int i=0;i<100;i++) {
                if(Test2.wd3[i]!=null) {
                    sw[i]=Test2.wd3[i];
                    System.out.println(Test2.wd3[i]);
                }
                
            }
        }
}

Test5.java

package class_third_copy;

public class Test5 {
    public static void main(String[] args) {
        Test5 t5=new Test5();
        t5.test5("D:\\Test\\a.txt");
    }
    Test2 t2=new Test2();
    Test3 t3=new Test3();
    static String wdc[]=new String[1000];
    public void test5(String path) {
        t2.test2(path);
        t3.stopWrod();
        String wdc_1 = null;
        int thought_1=0;
        int count=1;
        for(int i=0;i<t2.wd2.length;i++) {
            for(int j=0;j<20;j++) {
                if(t2.wd2[i]!=null) {
                    if(t2.wd2[i].equals(t3.sw[j]))
                    {
                        break;
                    }
                    if(j==19) {
                        thought_1=1;
                    }
                }
            }
            if(thought_1==1)
            {
                thought_1=0;
                wdc_1+=t2.wd2[i];
            }else {
                wdc[count]=wdc_1;
                wdc_1=null;
            }
        }
        for(int i=0;i<wdc.length;i++) {
            System.out.println(wdc[i]);
        }
    }
}