作者:坨大大 | 来源:互联网 | 2023-06-13 13:21
代码实现:packagecom.lambda;importjava.util.*;importjavax.swing.*;importjavax.swing.Timer;publi
代码实现:
package com.lambda;
import java.util.*;
import javax.swing.*;
import javax.swing.Timer;
public class LambdaTest
{
public static void main(String[] args)
{
String[] planets = new String[] { "Mercury", "Venus", "Earth", "Mars",
"Jupiter", "Saturn", "Uranus", "Neptune" };
System.out.println(Arrays.toString(planets));
System.out.println("Sorted in dictionary order:");
Arrays.sort(planets);
System.out.println(Arrays.toString(planets));
System.out.println("Sorted by length:");
Arrays.sort(planets, (first, second) -> first.length() - second.length());
System.out.println(Arrays.toString(planets));
Timer t = new Timer(5000, event ->
System.out.println("The time is " + new Date()));
t.start();
// keep program running until user selects "Ok"
JOptionPane.showMessageDialog(null, "Quit program?");
System.exit(0);
}
}
运行结果: