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how to access child class variable in parent class in java

Angry Alligator answered on July 10, 2022 Popularity 9/10 Helpfulness 1/10

answer how to access child class variable in parent class in java

related how to call child class method from parent class in java

how to access child class variable in parent class in java

Comment

In simple words:

- the left side before "=" means what the object may do, 
- the right side after "=" means how an object will do.

So:

public class Parent {
    private String someVar = "Parent variable";
    public void someMethod(){
        System.out.println(someVar);
    }
}

public class Child extends Parent{
    protected String someVar = "Child variable";
    public void someMethod() {
        System.out.println(someVar);
    }
}

public class Main {
    public static void main(String[] args) {
        Parent p = new Child();
        p.someMethod();
        Parent p2 = new Parent();
        p2.someMethod();
    }
}

out:
Child variable
Parent variable

Popularity 9/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: class java parent

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Contributed on Oct 24 2022

Angry Alligator

0 Answers Avg Quality 2/10

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how to call child class method from parent class in java

Comments(1)

-2

//Hope it helps
//This is the child class
public class child
{
    public classCall()
    {
    	String str = "I am the child class accessed from parent class!!!";
    }
}
//this the parent class
class parent
{
	public static void main(String args[])
    {
    	child obj = new child(); //objext of child class is created
    	System.out.println(obj.classCall()); //'classCall method is called from child class
    }
}

Popularity 9/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: call

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Contributed on Jul 10 2022

Aaryan Gotad

0 Answers Avg Quality 2/10

how to access child class variable in parent class in java

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