java

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质数循环

package day07_addition;//范围查找质数public class PrimeNumLoop {    public static void main(String[] args){        int counter = 0;        int number = 0;        //2~100循环查找        for(int n=2;n<=100;n++){            boolean flag = true;                        //单个数字查找质数            for(int i=2;i<n;i++){                if(n%i == 0){                    flag = false;                    break;                }            }                //判断质数                if(flag){                    System.out.print(n+" ");                    counter++;                    number++;                }                if(counter%10 == 0){                    System.out.println();                }        }        System.out.println();        System.out.println("共计:"+number);    }}

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