第1个回答 2010-12-29
public class Test2 {
private int count=0;
public void print(){
for(int i=101;i<=200;i++){
if(isPrime(i))count++;
}
System.out.println();
System.out.println("总数是 "+ count);
}
public boolean isPrime(int num){
int half = num/2;
for(int i =2 ;i<=half;i++){
if(num%i==0)return false;
}
System.out.print(num+ " ");
return true;
}
public static void main(String[] args) {
Test2 t = new Test2 ();
t.print();
}
}