What is the difference between the “==” operator and the “equals()” method in Java, and when should each be used?

Core Java Interview Question: Difference between "==" operator and "equals()" method

In Java, the "==" operator is used to compare the reference values of two objects, checking if they both point to the same memory location. On the other hand, the "equals()" method is generally overridden in classes to compare the values of two objects for equality.

When should each be used?

• Use the "==" operator to check if two references point to the same object in memory.
• Use the "equals()" method to compare the contents or values of two objects for equality, especially with classes that override the equals method to define custom comparison logic.

Understanding the difference between the "==" operator and "equals()" method is crucial for proper object comparison in Java programming.

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