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编写一个JAVA应用程序,用户从键盘只能输入整数,...

这是我做的,希望帮到你 import java.util.Scanner; public class ee { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); int total=1; int a=0; while(a>-1){ a=scanner.nextInt(); total=total*a; System.o...

import java.util.Scanner; public class Multi { public static void main(String[] args) { Scanner read = new Scanner(System.in); long mul=1; long a; a= read.nextInt(); while (a!=0) { mul=mul*a; a=read.nextInt(); } System.out.prin...

import java.util.Random; import java.util.Scanner; public class Du { public static void main(String[] args) { int rightNum = new Random().nextInt(100) + 1; Scanner scanner = new Scanner(System.in); int input = 0; do{ System.out...

import java.util.Scanner;public class Demo {public static void main(String[] args) {Scanner s = new Scanner(System.in);double d = s.nextDouble();System.out.println(String.format("%.2f", d));}}

import java.util.Scanner; public class primeNumber { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int x = sc.nextInt(); int i = 2; if (x %...

利用Java应用程序编写要求输入两个整数并计算两个数据之和具体操作步骤如下: import java.util.Scanner public class Test { public static void main(String[] args) { System.out.print("请输入第一个整数:") Scanner s=new Scanner(System....

import java.util.Scanner; public class TestDemo { public static void main(String[] args) { Scanner sc = new Scanner(System.in);//键盘输入数字 System.out.println("请输入一个数"); int a = sc.nextInt(); int temp=10; String str = S...

正在写当中,但不保证一定能给写出来,但现在觉得不难,稍等

手机怎么写? import 几个包,io,string,等 直接用函数转换就可以了

import java.util.Scanner; public class Demo1 { public static void main(String[] args){ Scanner scanner = new Scanner(System.in); int number = 0; int sum = 0; System.out.println("输入一个数,按回车输入下一个数:"); for(int i=0;i

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