Java.lang.Integer.valueOf() Method

Description

The java.lang.Integer.valueOf(String s) method returns an Integer object holding the value of the specified String s.

Declaration

Following is the declaration for java.lang.Integer.valueOf() method

public static Integer valueOf(String s) throws NumberFormatException

Parameters

• s -- This is the string to be parsed.

Return Value

This method returns an Integer object holding the value represented by the string argument.

Exception

• NumberFormatException -- if the string cannot be parsed as an integer.

Example

The following example shows the usage of java.lang.Integer.valueOf() method.

package com.tutorialspoint;

import java.lang.*;

public class IntegerDemo {

   public static void main(String[] args) {

     Integer i = new Integer(30);
   
     String str = "5";
     // returns a Integer instance representing the specified string
     System.out.println("Value = " + i.valueOf(str));
   }
} 

Let us compile and run the above program, this will produce the following result:

Value = 5