Java IQ #20 - equals() vs '=='. #javafullstackdevelopercourse #javainterviewquestions

In Java, == and the equals() method are used to compare objects, but they work differently and are used in different scenarios:

1. When used with primitive types (int, float, char, etc.), == compares the actual values of the variables.

2. When used with reference types (objects), == compares the memory addresses (references) of the objects.

3. The default implementation of the equals() method in the Object class compares memory addresses, similar to ==.

4. Many classes (like String, Integer, etc.) override the equals() method to compare the values of the objects instead of their references.

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