java from string to number code example

Example 1: java string to int

int result = Integer.parseInt("500");
System.out.println(result) // prints 500 as int

Example 2: converting string to int in java

There are two methods available in java to convert string to integer.
One is
Integer.parseInt() method and another one is
Integer.valueOf() method. Both these methods are static methods
of java.lang.Integer class. Both these methods throw
NumberFormatException if input string is not a valid integer.