application1.java

来自「提供了常用的JAVA技术的示例」· Java 代码 · 共 30 行

package signfunction;

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

public class Application1 {

  //Main method
  public static void main(String[] args) throws IOException {
    InputStreamReader ir;
    BufferedReader in;
    ir=new InputStreamReader(System.in);
    in=new BufferedReader(ir);
    System.out.println("input x is :");
    String s=in.readLine();
    int x=Integer.parseInt(s);

    int y;

    if (x<0)
      y=-1;
    else if (x==0)
      y=0;
    else
      y=1;
    System.out.println("x="+x);
    System.out.println("y="+y);
  }
}