package test; import java.util.Scanner; public class ChePiao { public static void main(String[] args){ double a = 1.0; double b = 0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1; System.out.println(a==b); System.out.println("a="+a+ "b="+b); System.out.println(Math.abs(a-b) < 1e-6); System.out.println(5==5.1); //初始化 Scanner in = new Scanner(System.in); //请输入投币金额 System.out.println("请输入投币金额:"); int amount = in.nextInt(); if(amount >=10){ //打印车票 System.out.println("****************"); System.out.println("*JAVA城际铁路专线*"); System.out.println("* 无指定座位票 *"); System.out.println("* 票价:10元 *"); System.out.println("****************"); //计算并找零车票 System.out.println("找零:"+(amount-10)); } System.out.println(amount>=10); } }
这是一个模拟出票的测试,效果如下图所示:
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