Home Java Java-conversion Convert Object to Int

Convert Object to Int
Posted on: July 4, 2007 at 12:00 AM

In this section, we are going to learn to convert a numeric string type Object into a primitive type int and Integer Object to primitive type int.

Convert Object to Int

In this section, we are going to learn to convert a numeric string type Object into a primitive type int and Integer Object to primitive type int. .

Code Description:

The following program converts numeric string type object into primitive type int and Integer type object to primitive type int. The parseInt() method of an Integer class takes a numeric string object and returns the primitive type int value. Again, this program converts an Integer object into a primitive type int using the intValue() method.

Here is the code of this program:


import java.io.*;

import java.lang.*;



public class ObjectToInt{

  public static void main(String[] args){

  //Numeric string to primitive int

  String Obj = "123";

  int i = Integer.parseInt(Obj);

  System.out.println("Numeric string to primitive int = " +i);

  //Integer object to primitive int

  Integer IntValue = 123;

  int intValue = IntValue.intValue();

  System.out.println("Integer object ot primitive int = "+intValue);

  }

}

Download this program:

Output of this program

C:\vinod>javac ObjectToInt.java

C:\vinod>java ObjectToInt
Numeric string to primitive int = 123
Integer object ot primitive int = 123

C:\vinod>

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