More about Objects and Classes
Completion requirements
The relational operations on primitive data are ==, >=, <=, >, <, and !=. They compare two data values, when those values' type has an ordering. For example, integers are ordered by size or magnitude. The result of a relational operation is a boolean value: either True or False. The relational operators on objects like Strings are different, and they are expressed as methods. Pay special attention to the equality method, equals().
20. alias-detector
Answer:
The two variables refer to the same object
alias-detector
The == operator looks only at variables. If two variables contain a reference to the same object, the operator evaluates to true.
Think of the == operator as an alias-detector.
Question 20:
(Thought question:) Could the equals() method be used with aliases?