OptionalInt equals() method in Java with examples
OptionalInt help us to create an object which may or may not contain a Int value. The equals(Object obj) method help us to compare this OptionalInt object with the passed object as a parameter and it returns true if objects are equal.
The other object is considered equal to this OptionalInt if:
- it is also an OptionalInt and;
- both instances have no value present or;
- the present values are “equal to” each other via ==.
public boolean equals(Object obj)
Parameters: This method accepts an obj which is an object to be tested for equality.
Return value: This method returns true if the other object is “equal to” this object otherwise false.
Below programs illustrate equals(Object obj) method:
OptionalInt 1: OptionalInt OptionalInt 2: OptionalInt Are both objects equal: true
OptionalInt 1: OptionalInt OptionalInt 2: OptionalInt Are both objects equal: false
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