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Converting String to int in Java?

Manoj Bhatt 2265 07 May 2015

How can a String be converted to an int in Java?

My String contains only numbers and I want to return the number it represents.

For example, given the string "1234" the result should be the number 1234.

Ask by Manoj Bhatt

Updated 07 May 2015

1 Answers

Anonymous User 07 May 2015

Integer x = Integer.valueOf(str);
// or
int y = Integer.parseInt(str);

There is a slight difference between these methods:

valueOf returns new instance of java.lang.Integer

parseInt returns primitive int.

The same is for all cases: Short.valueOf/parseShort, Long.valueOf/parseLong, etc.

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