1.package cn.dede.w;
class Person{ private String name;//私有化名字; private static int count;//私有化、静态(能够调用); public Person() { count++ ;//自增 this.name="恶心吧唧橡胶人-"+count; } public Person(String name) { this.name=name; } public String getInfo() { return"您的队友:"+this.name; }}public class StaticA { public static void main(String args[]){ System.out.println(new Person().getInfo());//转7 System.out.println(new Person("mlxg").getInfo());//转11 System.out.println(new Person("xiaohu").getInfo()); System.out.println(new Person().getInfo());}}2.
package cn.dede.w;
class Single{ private static Single instance=new Single(); private Single() { } public static Single getInstance() { return instance; } public void print() { System.out.println("想要学仙术,哪能怕吃苦?"); }}public class StaticB { public static void main(String args[]) { Single s = null; s = Single.getInstance(); s.print(); }}3.
package cn.dede.w;
class Persona{ private String name; private static int count; public Persona() { count++; System.out.println("产生了"+count+"个实例化对象"); } public String getInfo() { return"姓名"+this.name; }}public class StaticD { public static void main(String args[]) { new Persona(); new Persona(); new Persona(); new Persona(); new Persona(); }}4.
package cn.dede.w;
class Personc{ private String name; private int age; static String city="稻城"; public Personc(String name,int age) { this.name=name; this.age=age; } public String getInfo() { return"姓名:"+this.name+",年龄:"+this.age+ ",城市:"+ city; }}public class StaticC{ public static void main(String args[]) { Personc per1=new Personc("MLXG",30); Personc per2=new Personc("老大",31); Personc per3=new Personc("老三",33); System.out.println("信息修改前"); System.out.println(per1.getInfo()); System.out.println(per2.getInfo()); System.out.println(per3.getInfo()); System.out.println("信息修改后"); Personc.city="B城"; System.out.println(per1.getInfo()); System.out.println(per2.getInfo()); System.out.println(per3.getInfo()); }}5.
package cn.dede.w;public class StaticD { public static void main(String args[]) { // TODO 自动生成的方法存根 for (int x=0;x