guessnumber.java~8~

提供了常用的JAVA技术的示例

package guessnumber;

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

public class guessnumber {

  //Main method
  public static void main(String[] args) throws IOException {
    int magic=30;
    int guess;

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

    if (guess!=magic)
       {
        System.out.print("wrong , ");
        if (guess>magic)
            System.out.println("too high .");
        else
            System.out.println("too low .");
       }
    }while(guess!=magic);
    System.out.print("right !");
  }
}