1 package Hzy; 2 3 public class StaticDemo05 { 4 public static void main(String args[]) { 5 new StaticDemo05().fun() ; 6 } 7 public void fun() { 8 System.out.println("Hello World!!!"); 9 } 10 }
package Hzy; class Person { private String name; private int age; public Person(String name,int age) { this.name = name; this.age = age; } public boolean compare(Person per) { if(this.name.equals(per.name)&&this.age==per.age) { return true; }else { return false; } } public String getName() { return this.name; } public int getAge() { return this.age; } } public class CompareDemo03 { public static void main(String args[]) { Person per1 = new Person("张三",30); Person per2 = new Person("张三",30); if(per1.getName().equals(per2.getName())&&per1.getAge()==per2.getAge()) { System.out.println("是同一个人!"); } } }
package Hzy; class Person{ private String name; private int age; public Person(String name,int age) { this.name=name; this.age=age; } public String getName() { return this.name; } public int getAge() { return this.age; } } public class CompareDemo02 { public static void main(String args[]) { Person per1 = new Person("张三",30); Person per2 = new Person("张三",30); if(per1.getName().equals(per2.getName())&&per1.getAge()==per2.getAge()) { System.out.println("是同一个人!"); } } }
package Hzy; class Person{ private String name; private int age; public Person(String name,int age) { this.name=name; this.age=age; } public void fun(Person temp) { temp.name="李四"; temp.age=33; } public String getName() { return this.name; } public int getAge() { return this.age; } public class CompareDemo01 { public static void main(String args[]) { Person per = new Person("张三",30); per.fun(per); System.out.println(per.getName()+"-->"+per.getAge()); } }