geziv20的博客

//java中char的范围0-65535,char是无符号的,可以实现无限循环 public class Test { String[] str = {“Hello”, “Java”, “world”, “study”); public static void main(String[] args) { char a = 65530; wh

import java.awt.BorderLayout;import java.awt.Dimension;import java.awt.EventQueue;import java.awt.Toolkit;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java

import java.net.InetAddress;import java.net.NetworkInterface;import java.util.Enumeration;/* * To change this license header, choose License Headers in Project Properties. * To change this