第五题
package jishiti;
import java.util.Scanner;
public class Dierzhangsi {
public static void main(String[] args) {
int txujg = 245; //T恤价格
int wqiujg = 570; //网球鞋价格
int wqiupjg = 320; //网球拍价格
Scanner input = new Scanner(System.in); //用户商品折扣
System.out.println("请输入折扣："); //计算商品享受折扣后的价格
double shangp =input.nextDouble(); // 商品折扣
double txuzk = txujg*shangp; // T恤折扣价
double wqiuzk = wqiujg*shangp; // 网球鞋折扣价
double wqiupzk = wqiupjg*shangp; // 网球拍折扣价
boolean qwe =txuzk<100; // 判断商品折后价是否低于100
boolean asd =wqiuzk<100;
boolean zxc =wqiupzk<100;
System.out.println("T恤折扣价低于100吗？" +qwe); //输出
System.out.println("网球鞋折扣价低于100吗？" +asd);
System.out.println("网球鞋折扣价低于100吗？" +zxc);
}
}
第四题
package com.bdqn.dome;
import java.util.Scanner;
public class Testdd {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("请输入一个四位数子的会员号：");
int card = scanner.nextInt();
int a = card / 1000;
int b = card % 1000 / 100;
int c = card % 100 / 10;
int d = card % 10;
int sum = a + b +c +d;
System.out.println("会员卡号"+ card + "各位之和：" + sum);
boolean isLuck=sum>20;
System.out.println("是幸运客户吗？" +isLuck);
}
}
第三题
package com.bdqn.dome;
import java.util.Scanner;
public class Bsts {
public static void main(String[] args) {
int benj; //本金
System.out.println("请输入本金：");
Scanner input = new Scanner(System.in);
benj = input.nextInt();
int niany = 1; //存一年
int nianer =2; //存俩年
int niansan =3; //存三年
int nianwu =5; // 存五年
double nlvy = 0.0225; //一年的年利率
double nlver =0.027; //两年的年利率
double nlvsan =0.0324; //三年的年利率
double nlvwu =0.036; //五年的年利率
double lixi =(benj * nlvy * niany); //一年的利息
double lixier =(benj * nlver * nianer); //两年的利息
double lixisan =(benj * nlvsan * niansan); //三年的利息
double lixiwu = (benj * nlvwu * nianwu); //五年的利息
System.out.println("\n存取一年后的本息是：" +(lixi+benj));
System.out.println("\n存取俩年后的本息是：" +(lixier+benj));
System.out.println("\n存取三年后的本息是：" +(lixisan+benj));
System.out.println("\n存取五年后的本息是：" +(lixiwu+benj));
}
}
第二题
package com.bdqn.dome;
public class Test {
public static void main(String[] args) {
System.out.println("\t*****消费单*****");
System.out.println("\n购买物品\t单价\t个数\t金额");
System.out.println("\nT恤\t￥245\t2\t￥490");
System.out.println("\n网球鞋\t￥500\t1\t￥570");
System.out.println("\n网球怕\t￥320\t1\t￥320");
System.out.println("\n\n折扣:\t8折");
int tixie =245; //T恤价格
int wangx =570; //网球鞋价格
int wangp =320; //网球拍
int tshu =2; //T恤数量
int wshu =1; //网球鞋数量
int pshu =1; //网球拍数量
int shij =1500; //实际缴费
double zqia = 396.0; //找钱
double zjine = 1104.0; //消费总金额
double zhek = 0.8; //8折
double xfzje =(shij-zqia);
System.out.println("消费总金额："+xfzje);
double sjjf = (zjine+zqia);
System.out.println("实际缴费："+sjjf);
double zaoq = (shij-zjine);
System.out.println("找钱"+zaoq);
double jif =(tixie * tshu+wangx * wshu+wangp * pshu) * zhek;
int jifen = (int)zjine*3/100;
System.out.println("本次购物所获积分是:"+jifen);
}
}
第一题
package jishiti;
public class Dierzhang {
public static void main(String[] args) {
int txu =245;
int wqiu =570;
int wpai =320;
int txusm =2;
int wqiusm =1;
int wpaism =1;
double zhek =0.8;
double xiaof =(txu * txusm + wqiu * wqiusm + wpai * wpaism)*zhek;
System.out.println("消费总金额：" +xiaof);
}
}