In this tutorial we are going to learn about, resolving the Error return type is incompatible in Java.

Error : return type is incompatible

• This is because we cannot have two methods in classes that has the same name but different return types.
• A method with the same name as one that already exists in the super class but a different return type cannot be declared in the subclass.
• The subclass may, however, declare a method with the same signature as the superclass. This is what we mean by “Overriding.”

class A {
    public void eat() { }
}

class B extends A {
    public void eat() { }
}

OR

class A {
    public boolean eat() { 
        // return something...
    }
}

class B extends A {
    public boolean eat() { 
        // return something...
    }
}

It’s a good idea to mark overwritten methods with the annotation @Override:

class A {
    public void eat() { }
}

class B extends A {
    @Override
    public void eat() { }
}