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The code is insufficient as explained in the link http://javadevnotes.com/java-integer-to-string-examples
'When you concatenate a String and an integer, the result is a String. Internally, the code is inefficient because there are intermediate objects that are created behind the scene'.
Perfect. if someone is about to start their career in Java can join this forum for getting a lot of free resources.
What a great resource thanks!