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Java While Loops

Anwar Gasim
Anwar Gasim
1,643 Points
Posted by Anwar Gasim
Anwar Gasim
1,643 Points

Why doesn't the code below work instead of the equals method that was used in the video:

while (anyQuestions == "yes")

1 Answer

Simon Coates
Simon Coates
28,694 Points
Simon Coates
Simon Coates
28,694 Points

== is fine for primitive data types. For object (like strings), it will test that the object refer to the same memory location ie they are literally the same object. String defines a .equals method to make a more meaningful comparison.

(string optimizes by reusing objects, which makes == seem to work sometimes. but it can't be relied upon as there are circumstances - dynamic strings - where == won't work)