As Crockford says: “The rules by which they do that are complicated and unmemorable.” The spec defines them all in section 11.9.3 (pointed out by @Oriol in a comment to OP). For the two cases you provided: if ( 42 == true ) // false ( Only 1 is true ) if ( “Hello World” … Read more
Always use equals since == doesn’t always work. Even though objects are the same in memory it may be stored in different places, and == checks for objects identity and not equality. solved Checking if strings are equal in java using == [duplicate]
== 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