编写一个程序：找出大于200的最小的质数

编写一个程序：找出大于200的最小的质数
请用while do...while等循环

 /* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static void main (String[] args) throws java.lang.Exception
    {
        // your code goes here
        int n = 201;
        while (true)
        {
            boolean b = true;
            for (int i = 2; i < n / 2; i++)
            {
                if (n % i == 0) b = false;
            }
            if (b) break;
            n++;
        }
        System.out.println(n);
    }
}

在线验证
http://ideone.com/pVj7iy

211

public class Operation2 {
    public static void main(String[] args) {
        //  200以内的质数   只能被1和它本身整除
        for(int i=3;i<200;i++){
            int sum=0;
            for(int j=2;j<i;j++){
                if(i%j==0){
                    continue;
                }
                sum+=1;
            }
            if(sum==(i-2)){
                System.out.println(i);
            }
        }
    }
}