Double longValue() in Java with Examples

The longValue() method of Double class is a built in method to return the value specified by the calling object as long after type casting.

Syntax

DoubleObject.longValue()

Parameters : It takes no parameters.

Return type : It returns an long value i.e. the type casted value of the DoubleObject.

Below is the implementation of the above method.

Code 1 :

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// Java Code to implement 
// longValue() method of Double class
class GFG {
    // Driver method
    public static void main(String[] args)
    {
  
        // creating a Double object
        Double d = new Double(1022);
  
        // longValue() method of Double class
        // typecast the value
        long output = d.longValue();
  
        // printing the output
        System.out.println(output);
    }
}

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Output

1022

Code 2 :

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// Java Code to implement 
// longValue() method of Double class
class GFG {
    // Driver method
    public static void main(String[] args)
    {
  
        // creating a Double object
        Double d = new Double(-1023.23);
  
        // longValue() method of Double class
        // typecast the value
        long output = d.longValue();
  
        // printing the output
        System.out.println(output);
    }
}

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Output

-1023


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