java基础11节-练习
2021/11/18 11:10:16
本文主要是介绍java基础11节-练习,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
package hello; import java.util.Scanner; public class hello{ public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("请输入一个星期数:"); int week = sc.nextInt(); if (week<1 || week>7) { System.out.println("您输入有误"); } else if (week==1) { System.out.println("跑步"); }else if (week==2) { System.out.println("游泳"); }else if (week==3) { System.out.println("慢走"); }else if (week==4) { System.out.println("动感单车"); }else if (week==5) { System.out.println("拳击"); }else if (week==6) { System.out.println("爬山"); }else if (week==7) { System.out.println("好好吃一顿"); } } }
package hello; import java.util.Scanner; public class hello{ public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("请输入一个星期数:"); int week = sc.nextInt(); switch (week) { case 1: System.out.println("跑步"); break; case 2: System.out.println("爬山"); break; case 3: System.out.println("慢跑"); break; case 4: System.out.println("休息"); break; case 5: System.out.println("游泳"); break; case 6: System.out.println("游戏"); break; case 7: System.out.println("好好吃一顿"); break; default: System.out.println("你输入有误"); } } }
package hello; import java.util.Scanner; public class hello{ public static void main(String[] args) { for (int x = 1;x<=100;x++) { if (x%10==7 || x/10%10==7 || x%7==0) { System.out.println(x); } } } }
package hello; import java.util.Scanner; public class hello{ public static void main(String[] args) { int[] arr = new int[20]; arr[0] = 1; arr[1] = 1; for (int x = 2;x<arr.length;x++) { arr[x] = arr[x-2] + arr[x-1]; } System.out.println(arr[19]); } }
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