Number.longValue() method in java with examples

The java.lang.Number.longValue() is an inbuilt method in java that returns the value of the specified number casted to long data type. This may involve rounding or truncation.

Syntax:

public abstract long longValue()

Parameters: This method does not accepts any parameter.



Return value: This method returns the numeric value represented by this object after conversion to type long.

Below program illustrate the Number.longValue() method:

Program 1:

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// java program to demonstrate
// Number.longValue() method
public class gfg {
  
    public static void main(String[] args)
    {
  
        // number as float
        Float x = new Float(127483456f);
        // print the value as long
        System.out.println(x.longValue());
  
        // number as double
        Double y = new Double(78549876);
        // print the value as long
        System.out.println(y.longValue());
    }
}

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Output:

127483456
78549876

Program 2:

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// java program to demonstrate
// Number.longValue() method
public class gfg {
  
    public static void main(String[] args)
    {
  
        // number as float
        Float x = new Float(127f);
        // print the value as long
        System.out.println(x.longValue());
  
        // number as double
        Double y = new Double(76.23);
        // print the value as long
        System.out.println(y.longValue());
    }
}

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Output:

127
76


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