Java.lang.Double.isInfinite() Method

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Description

The java.lang.Double.isInfinite() method returns true if this Double value is infinitely large in magnitude, false otherwise.

Declaration

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

public boolean isInfinite()

Parameters

  • NA

Return Value

This method returns true if the value represented by this object is positive infinity or negative infinity, else false.

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());
  
     // returns false for other cases
     System.out.println(d2 + " = " + d2.isInfinite());
   }
}  

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

Infinity = true
NaN = false



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