// SuperExample.java
class Parent {
    String name;

    public Parent(String name) {
        this.name = name;
    }

    public void printName() {
        System.out.println("Parent name: " + name);
    }
}

class Child extends Parent {
    String childName;

    public Child(String parentName, String childName) {
        // 调用父类的构造函数
        super(parentName);
        this.childName = childName;
    }

    public void printAllNames() {
        // 调用父类的方法
        super.printName();
        System.out.println("Child name: " + childName);
    }
}

public class SuperExample {
    public static void main(String[] args) {
        Child child = new Child("John", "Tom");
        child.printAllNames();
    }
}

Parent name: John
Child name: Tom