equality

Which equals operator (== vs ===) should be used in JavaScript comparisons?

by

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. I’m using JSLint to go through JavaScript, and it’s returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.length == 0 inside … Read more

How do I compare strings in Java?

by

== tests for reference equality (whether they are the same object). .equals() tests for value equality (whether they are logically “equal”). Objects.equals() checks for null before calling .equals() so you don’t have to (available as of JDK7, also available in Guava). Consequently, if you want to test whether two strings have the same value you … Read more