继承关系测试

测试1

public class C {

	public C(){
		System.out.println("C");
	}
	
}

public class Cat extends C {
	
	private String name;
	
	public Cat(){
		System.out.println("cat null");
	}
	
	public Cat(String name){
		System.out.println("cat");
		this.name = name;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
	
}

public class ChildCat extends Cat {

	public ChildCat(){
		System.out.println("ChildCat");
	}
	
	public ChildCat(String name) {
		super(name);
		System.out.println(name);
	}
}

public class TestExtendCat {

	public static void main(String[] args) {
		ChildCat c = new ChildCat();
	}

}

测试2

测试3

public class ChildCat extends Cat {

	public ChildCat(){
		System.out.println("ChildCat");
	}
	
	public ChildCat(String name) {
		//super(name);
		System.out.println(name);
	}
}