Java While语句 | 您所在的位置:网站首页 › javawhile嵌套循环 › Java While语句 |
public class Main { public static void main(String args[]) throws java.io.IOException { char choice; do { System.out.println("Help on:"); System.out.println(" 1. A"); System.out.println(" 2. B"); System.out.println(" 3. C"); System.out.println(" 4. D"); System.out.println(" 5. E"); System.out.println("Choose one:"); choice = (char) System.in.read(); } while (choice '5'); System.out.println("\n"); switch (choice) { case '1': System.out.println("A"); break; case '2': System.out.println("B"); break; case '3': System.out.println("C"); break; case '4': System.out.println("D"); break; case '5': System.out.println("E"); break; } } } |
CopyRight 2018-2019 实验室设备网 版权所有 |