digui.java~3~

来自「提供了常用的JAVA技术的示例」· JAVA~3~ 代码 · 共 30 行

package digui;

import javax.swing.UIManager;
import java.awt.*;
import java.io.*;

public class digui {

  //Main method
  public static void main(String[] args) throws IOException {
    int n;

    do{
    InputStreamReader ir;
    BufferedReader in;
    ir=new InputStreamReader(System.in);
    in=new BufferedReader(ir);
    System.out.print("input key is :");
    String s=in.readLine();
    n=Integer.parseInt(s);

    if (n==1)
        System.out.print(n+"！=1");
    else
        System.out.println(n*(n-1));

    }while(n<10);

  }
}