java取余%练习

package ltb6w1;
import java.io.*;
 
public class TestMod {
 
    String st;
    int c;
 
    InputStreamReader is=new InputStreamReader(System.in);
 
    BufferedReader bf=new BufferedReader(is);
 
    public TestMod() throws IOException {
 
        System.out.println("请输入整数:");
 
        while(true) {
 
            st=bf.readLine();
 
            if("over".equals(st)) {
 
                System.out.println("哈哈，退出了。");
                break;
            }
            c=Integer.parseInt(st);
 
            System.out.println("C取余是:"+c%1000);
 
        }
 
    }
 
    public static void main(String[] args) throws IOException {
 
         new TestMod();
    }
 
}