Java.lang.Double.isInfinite(double v) Method


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Description

The java.lang.Double.isInfinite(double v) method returns true if the specified number is infinitely large in magnitude, false otherwise.The argument v is the value to be tested.

Declaration

Following is the declaration for java.lang.Double.isInfinite() method

public static boolean isInfinite(double v)

Parameters

v − This is the value to be tested.

Return Value

This method returns true if the value of the argument is positive infinity or negative infinity; false otherwise.

Exception

NA

Example

The following example shows the usage of java.lang.Double.isInfinite() method.

package com.tutorialspoint;

import java.lang.*;

public class DoubleDemo {

   public static void main(String[] args) {

      Double d1 = new Double(1.0/0.0);
      Double d2 = new Double(0.0/0.0);
  
      // returns true if positive or negative infinity
      System.out.println(d1 + " = " + d1.isInfinite(d1));
  
      // returns false for other cases
      System.out.println(d2 + " = " + d2.isInfinite(d2));
   }
}  

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

Infinity = true
NaN = false

java_lang_double.htm

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