主要在于判断是否能被整除,思路是用取余运算符%,取余结果为0就表示能被整除. 代码如下: public class NumDemo { public static void main(String args[]){ int n; System.out.println("在1~1000可被3与5整除的为"); for(n=1;n<=1000;n++){ if(n%3==0&&n%5==0) { System.out.println("1~1000之间能够同
JAVA第三周作业(从键盘输入若干数求和) 在新的一周,我学习了JAVA的IO编程.下面的代码实现了从键盘输入若干数求和的目标.import java.util.Scanner; public class sum{ public static void main(String[] args) {// TODO Auto-generated method stub//从键盘输入若干整数并求和输出int nextValue;int sum=0;Scanner r = new Scanner(Syst
public class Test21 { public static void main(String[] args) { // TODO Auto-generated method stub int sum = 0; int[] array = new int[sum]; int index=0; for (int i = 1; i < 100; i++) { if (i % 3
B-number Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3257 Accepted Submission(s): 1819 Problem Description A wqb-number, or B-number for short, is a non-negative integer whose decimal for
import util.control.Breaks._ object work01 { def main(args: Array[String]): Unit = { //方式一 var sum:Int= 0 breakable{ for (i<-1 to 100){ sum =sum+i if (sum >20){ println("当前数是:"+i) break() } } } // 方式二 var loop =true var sum2=0 for (i<-1