package com.cd;


//代码运行没问题，查看你的jdk 环境变量设置
//cmd下 运行java看看
public class sushu{
  public static void main(String args[]){//最好养成习惯args
       int i,j,m=1;
  for (i=2;i<100;i++){
  for(j=2;j<=i/2;j++)

  if (i%j==0) m=0;
  
  if(m==1)  
  System.out.println(i);
  m=1;

  }
 }
}
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