java基础回顾

//通过super调用父类构造方法和隐藏方法

package mypack;

class Father {
	public Father() {
		// TODO Auto-generated constructor stub
		System.out.println("null father");
	}

	public Father(String name) {
		System.out.println("name = " + name);
	}

	public String toString() {
		// TODO Auto-generated method stub
		return "我是father";
	}
}

class Sun extends Father {
	int age = 20;

	public Sun() {
		// TODO Auto-generated constructor stub
		super("铁鹏");
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public String toString() {
		// TODO Auto-generated method stub
		return super.toString();
	}
}

public class DemoFive {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Sun sun = new Sun();
		System.out.println(sun.toString());
		;
	}

}