利用方法调用的方法来求平均分及最值
package li;
public class Test1_7 {
public int findMax(int[]a){
int MaxIndex=0;
for(int i=1;i<a.length;i++){
if(a[i]>a[MaxIndex]){
MaxIndex=i;
}
}
return a[MaxIndex];
}
public int findavg(int[]a){
int sum=0;
for(int i=0;i<a.length;i++){
sum=sum+a[i];
}
int avg=sum/a.length;
return avg;
}
public static void drawrec(int rows,int cols){
for(int i=0;i<rows;i++){
for(int j=0;j<cols;j++){
System.out.print(""+" “);
}
System.out.println();
}
}
public static void drawTri(int rows){
for(int i=0;i<=rows;i++){
for(int j=1;j<=i;j++){
System.out.print(”");
}
System.out.println();
}
}
public static void change(int[] arr){
arr[0]=100;
System.out.println(arr);
}
public static void changeArr(int arr){
System.out.println(arr);
arr=200;
}
public static void main(String[] args) {
// TODO Auto-generated method stub
/*int []arr={13,34,56,78,89,1,23};
System.out.println(“最大值”+findMax(arr));
System.out.println(“平均分”+findavg(arr));
*/
int rows=7;
int cols=8;
drawrec(rows,cols);
drawTri(10);
int[] a={111,222,444,333,555,888,99};
change(a);
System.out.println(a[0]);
int b=55;
System.out.println(b);
}
}
