[Solved] How should I declare strings? [duplicate]

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You should not use == when comparing objects including strings. Generally == compares references, so it return true only of same objects. You should use equals() method instead: str1.equals(str2)

It occasionally works for you in first case because java caches string constants, so "java" in both cases is represented by same instance of String.

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solved How should I declare strings? [duplicate]