package ltb20180106; public class FindPrime implements Runnable{ private int prime; private int q; private int w; public FindPrime(int nn,int mm) { q=nn; w=mm; } public void run() { getFindPrime(q,w); } public synchronized void getFindPrime(int min,i…
输出:一个集合S,表示1~n以内所有的素数 import java.util.Scanner; public class 筛法求素数 { public static void main(String[] args) { int n; Scanner sc = new Scanner(System.in); n = sc.nextInt(); int[] arr = new int[n]; for (int i = 2; i < n; i++) { arr[i] = i; } for (int i…
package Deom1;import java.awt.*;import java.util.Scanner;public class lx {//输入任意两个正整数,求出这两个正整数之间素数的个数 public static void main(String [] args) { Scanner input=new Scanner(System.in); int x=input.nextInt(); int y=input.nextInt(); int a; int num=0,add=0…