Java.lang.Integer.getInteger() Method

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Description

The java.lang.Integer.getInteger(String nm, int val) method determines the integer value of the system property with the specified name.The argument val is the default value. An Integer object that represents the value of the second argument is returned if there is no property of the specified name, if the property does not have the correct numeric format, or if the specified name is empty or null.

Declaration

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

public static Integer getInteger(String nm, int val)

Parameters

• nm − This is the property name.

• val − This is the default value.

Return Value

This method returns the Integer value of the property.

Exception

NA

Example

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

package com.tutorialspoint;

import java.lang.*;

public class IntegerDemo {

   public static void main(String[] args) {

      /* returns the integer value of the system property and won't 
         print default specified value as specified system property exits */
      String str = "sun.arch.data.model";
      System.out.println(Integer.getInteger(str, 5));

      /* returns default specified value as system property "abcd" 
         does not exist */ 
      System.out.println(Integer.getInteger("abcd",5));
   }
} 

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

64
5