How to convert String to Int (Integer) & Int (Integer) to String

In the tutorial, JavaSampleApproach will guide you how to convert String to Int (Integer) & vice versa.

I. Convert String to Int(Integer)
1. Use Integer.parseInt

2. Use Integer.valueOf

3. NumberFormatException Exception

Throws NumberFormatException – if the string does not contain a parsable integer.

II. Convert Int(Integer) to String
1. Convert Int to String

– use String.valueOf

– use Integer.toString

– Use String “+” operator

2. Convert Integer to String

– use String.valueOf

– use integer.toString

– Use String “+” operator

III. Sourcecode

Full SourceCode

Run & Results:

Download SourceCode:

By grokonez | January 22, 2017.

Last updated on June 4, 2017.

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