birdhappily的专栏

package demo; import java.util.Scanner; public class Identification { public static void main(String[] args) { Scanner scan = new Scanner(System.in); System.out.println("输入身份证号");...

判断某年是否是闰年 import java.util.Scanner; public class LeapYear{ public static void main(String[] args){ Scanner scan = new Scanner(System.in); System.out.println("请输入一个年份： "); ...

package demo; public abstract class Car { public abstract String getCarInfo(); } package demo; public class BMW extends Car { @Override public java.lang.String getCarInfo() { retu...

package demo; import java.util.Scanner; public class ScanAndSwitch { public static void main(String[] args) { Scanner scan = new Scanner(System.in); System.out.println("输入新员工姓名");...

package demo; import java.net.InetAddress; public class LocalHostAddressName { public static void main(String[] args) throws Exception{ InetAddress inetAddr = InetAddress.getLocalHost(); ...

package demo; public class HanoiTower { public static void moveDish(int level,char from, char inter,char to){ if(level == 1){ System.out.println("从" + from + "移动盘子一号到" + to); ...

package demo; import java.net.InetAddress; public class GetHostInlfoWithIp { public static void main(String[] args) throws Exception{ String ip = ""; //填入ip...

package demo; import java.io.PrintStream; import java.io.FileNotFoundException; public class RedirctOutputStream { public static void main(String[] args) { try{ PrintStream ou...