CODEWITHSUNDEEP
javaoverriding
Rasmus
Rasmus

Reputation: 1685

Java parent using childs overrides

Will Parent.parentMethod2 or Child.parentMethod2 be invoked when running Child.childMethod1?

public class Parent
{
    public void parentMethod1()
    {
        parentMethod2();
    }

    public void parentMethod2()
    {
        //do something
    }
}

public class Child extends Parent
{
    public void childMehod1()
    {
        parentMethod1();
    }

    @Override
    public void parentMethod2()
    {
        //do something else
    }
}

Upvotes: 0

Views: 79

Answers (3)

uriz
uriz

Reputation: 107

The child method will be called (i.e. the overridden parentMethod2). This is the "normal" way inheritance works in java - your object is a child, so it will run the child's methods when they are available. it does not matter that we call parentMethod2 from parentMethod1, which is not overridden. the instance running the method is still a child

Upvotes: 2

AmitG
AmitG

Reputation: 10553

remember one thing

   public class Parent
    {
        public void parentMethod1()
        {
            this.parentMethod2();  //I have added 'this' here, ('this'  is implicit)
        }
    }

so 'this' is currently executing object which is child object. So child method will be called.

Upvotes: 1

PC.
PC.

Reputation: 7024

Child.childMehod1() will call Child.parentMethod2(). meaning, your "//do something else" code will be executed.

Upvotes: 1

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