Java anonymous inner class instance code explanation
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Java
This article mainly introduces the detailed explanation of the Java anonymous internal class example code. The example code is introduced in great detail, which has a certain reference value for everyone's study or work. Friends in need can refer to it
Person. java
package insof; public class Person extends Object{ String name; static int age; public Person() { this.name = "tom"; System.out.println("执行的是构造方法"); } public void test(){ System.out.println("Person的test方法"); }
Main. java
package insof; public class Main { public static void main(String[] args) { //匿名内部类,为Person的子类 //该类没有类名,不能显示的调用new方法来创建对象,想要初始化属性可以用代码块 Person p = new Person() { { super.name = "jack"; } @Override public void test() { System.out.println("匿名子类"); } }; System.out.println(p.name); p.test(); } }
Output:
The construction method is executed
jack
Anonymous subclass
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