Additional Notes
Common mistake: Using ‘==’ with wrappers?
Track: Java
Topic: Core Java
Focus: Wrapper Types and Autoboxing
Java: Wrapper Types and Autoboxing
Answer
'==' checks reference, not value in wrappers.
Using '==' with wrappers checks if two references point to the same object, not if they have the same value. Always use '.equals()' for value comparison. E.g., 'Integer a = 10; Integer b = 10; a == b' may return false, but 'a.equals(b)' is true.
Using '==' with wrappers checks if two references point to the same object, not if they have the same value. Always use '.equals()' for value comparison. E.g., 'Integer a = 10; Integer b = 10; a == b' may return false, but 'a.equals(b)' is true.
Topics: Core Java Java Wrapper Types and Autoboxing