Home > java hacks, Uncategorized > .equal() and .compareTo()

.equal() and .compareTo()

Interestingly from [1]. I came to know that sometimes (I am not quite sure when) ‘==’ operator does not work for comparing two integer values.

For example, in one of my program today I found v1==v2 was returning false. where v1 = 129 and v2 = 129.  huh!!

After finding [1] now I now that this also happens. As [1] suggest, the right way of doing this is checking whether


Similarly for comparing String variable following syntax should be used.




  1. http://stackoverflow.com/questions/17601803/when-comparing-two-equal-integers-in-while-loop-the-equal-to-operator-fails
Categories: java hacks, Uncategorized
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