Java Number longValue() Method

The longValue() is a method of Java Number Class which returns the value of the specified number object as long equivalent.

Syntax:

Following is the declaration of longValue() method:

Parameter:

DataType	Parameter	Description
NA	NA	This method does not accept any parameter.

Returns:

The longValue() method returns the numeric value represented by this object after conversion to type long.

Exceptions:

Compatibility Version:

Java 1.0 and above

Example 1

public class NumberLongValueExample1 {
	public static void main(String[] args) {	
	    Number x = 666655599;
	    long y = 2550;	    
	    Long result = x.longValue()/y;
	    System.out.println("Value is = "+result);		
          }
}

Test it Now

Output:

Value is = 261433

Example 2

public class NumberLongValueExample2 {
	public static void main(String[] args) {
		Byte B = 85;
            long l = B.longValue();
            System.out.println(l);      
            Short S = 4101;
            l = S.longValue();
            System.out.println(l);   
            Integer I = 59;
            l = I.longValue();
            System.out.println(l);    
            Double D = 52134.232676;
            l = D.longValue();
            System.out.println(l);   //Output : 52134  (Value is truncated)
            }
}

Test it Now

Output:

Example 3

public class NumberLongValueExample3 {
	public static void main(String[] args) {	
	      Number num1 = 298689.9549;	 
	      //Return the value of this Number as a long    
	      System.out.println("Output Number as long: " + num1.longValue());	      
	      Float num2 = -98723886f;	      
	      //Return the value of this float Number as a long
	      System.out.println("Output Float as long: " + num2.longValue());
            }
}

Test it Now

Output:

Output Number as long: 298689
Output Float as long: -98723888

Next TopicJava Number Class

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Java Number longValue() Method

Syntax:

Parameter:

Returns:

Exceptions:

Compatibility Version:

Example 1

Example 2

Example 3

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