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How to use Override annotation?

We use the @Override annotation as part of method declaration. The @Override annotation is used when we want to override methods and want to make sure have overriden the correct methods.

As the annotation name we know that there should be the same method signature in the parent class to override. That means using this annotation let us know earlier when we are mistakenly override method that doesn't exist in the base class.

package com.javacoderanch.example.annotation;

public class OverrideExample {
    private String field;
    private String attribute;

    public int hashCode() {
        return field.hashCode() + attribute.hashCode();

    public String toString() {
        return field + " " + attribute;