package org.example.classTest;
// 一个标准类
class Car{
    private String brand;
    public Car(String brand){
        this.brand = brand;
    }
    public String getBrand() {
        return brand;
    }
    public void setBrand(String brand) {
        this.brand = brand;
    }
}

public class StandardClassTest {
    public static void main(String[] args) {
        Car jili = new Car("吉利");
        System.out.println(jili.getBrand());
    }
}

package org.example.classTest;

class Outer{
    int number = 10;
    public void show(){
        System.out.println(number);
    }
    public class Inner {
        int number = 20;
        public void show(){
            System.out.println(number);
        }
    }
}

public class InnerClassTest {
    public static void main(String[] args) {
        Outer outer = new Outer();
        outer.show();
        // 成员内部类的实例化 外部类名.内部类名  对象名 = new外 部类名.内部类名().new 内部类名()
        Outer.Inner inner = new Outer().new Inner();
        inner.show();
    }
}

package org.example.classTest;

class Outer2{
    static class Inner{
        int num = 10;
        public void show(){
            System.out.println(num);
        }
    }
}

public class StaticInnerClassTest {
    public static void main(String[] args) {
        // 外部类名.内部类名 对象名 = new 外部类名.内部类名()
        Outer2.Inner inner = new Outer2.Inner();
        inner.show();
    }
}

package org.example.classTest;

class Outer3{
    public void test(){
        // 局部类
        class A{

        }
    }
    // 局部抽象类
    abstract class B{

    }
    // 局部接口
    interface C{

    }
}

public class PartInnerClassTest {
    public static void main(String[] args) {

    }
}

package org.example.classTest;

public class AnonymousInnerClassTest {
    public static void main(String[] args) {
        showArts(new Arts() {
            @Override
            public void sing() {
                System.out.println("唱歌");
            }
        });
    }

    public static void showArts(Arts art){
        art.sing();
    }
}

interface Arts{
    public void sing();
}