java 从键盘输入一位整数,当输入1-7时,显示下面对应的英文字母星期几的...

return 1;}

void main(){ int n;char week[7][10]={"MON","TUE","WEN","THU","FRI","SAT","SUN"};while(scanf("%d",&n)!=EOF){ if(n==0)break;if(n>0 && n<8)printf("%s\n",week[n-1]);else printf("请重新输入\n");} } ...

package com.soft.Ipml;import java.util.Scanner;public class dfdsf { /** * @param args */ public static void main(String[] args) { int id=1; boolean flag=true; String[] week = {"星期一","星期二","星期三","星期四","星期五","星期六","星期日"}...

const char *str[]={"MON","TUE","WEN","THU","FRI","STA","SUN"} int main(void){ int y=0;scanf("%d",&y);switch(y){ case 1:case 2:case 3:case 4:case 5:case 6:case 7:printf(“\n%s\n”,str[y-1]);break;default:printf("\nError\n");break;} } ...

import java.util.Arrays;import java.util.List;public class Demo { public static void main(String[] args) { // 假设输入的内容 String input = "A8r4c5ja5AJp#7";// 转为 char[]char[] inputArr = input.toCharArray();// 存储 大写字母、小写字母 List<String> upperCaseList = ...

public static void main(String args[]){ String str1="abfdTE1879!!";//可以从控制台输入 String str2=str1.replaceAll("[a-z|A-Z]","");System.out.println("英文字符的个数为"+(str1.length()-str2.length()));str1=str2;str2=str1.replaceAll("[0-9]","");System.out....

import java.util.*;class Test{ public static void main(String[] args){ Scanner x=new Scanner(System.in);//构造一个Scanner对象,其传入参数为System.in char a=x.nextchar();//读取一个int数值if(a>='a'&&a<'z') System.out.println("下一个字母为为"+(a+1)); else if(a=='z') Syst...

//创建Scanner对象Scanner scan = new Scanner(System.in);//定义一个字符串保存读入的字符串String str = scan.nextLine();//把字符串转换为char数组char[] ch = str.toCharArray();//通过循环判读并替换for (int i = 0; i < ch.length; i++) {switch (ch[i]) {case 'a':ch[i]=...

做回好人，回答你吧。直接看代码：import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;public class jiami { public static void main(String[] args) { String source=null,target=null;try { File...

public static void main(String[] args) { Scanner scanner = new Scanner(System.in);System.out.println("请输入一个字母: ");char input = scanner.next().charAt(0);input += (input >= 'A' && input <= 'Z') ? 32 : (input >= 'a' && input <= 'z') ? -32 : 0;Sys...