Java - Converting String to Integer or Integer to String.

How to convert String to integer or integer to String in Java

In Java, String is a predefined class in Java which can hold String Value(array of Characters.).

If any string contain number such as "53", "21" , "110" and you want to use of Integer. It is not directly possible.

You can convert it by using Integer.parseInt(myStringNumber).

Example 1:

String m="45";

int a;

a = Integer.parseInt(m);

Example 2:

public int StringToInt(String number)

{

return Integer.parseInt(number);

}

Converting integer to number is so easy. Just add empty string before "" any number like this:

int a=5;

String m;

m= "" + a;

Example 3:

public String IntToString(int num)

{

return "" + num;

}