Java Double isInfinite() method

The isInfinite() method of Java Double class will return true if the magnitude of the argument specified is infinitely large, else it will return false.

Syntax

1.public boolean isInfinite()
2.public static boolean isInfinite(double v)

Parameters

1.NA

2.v- This is the double value which is tested.

Return value

The isInfnite() method returns true if the value of argument passed is positive/negative infinity, otherwise returns false.

Example 1

public class Double_isInfiniteMethodExample1 {

    public static void main(String[] args) {

        double d1 = 578648.67f;

        Double d2 = new Double(d1/0);

           //isInfinite will return true for infinity values

        System.out.println(d2+" value for isInfinite() method is : " +Double.isInfinite(d2));

           //isFinite method will return false as f1/0 is infinity

        System.out.println(d2+" value for isFinite() method is   : "+Double.isInfinite(d2));

         }

    }

Test it Now

Output:

Infinity value for isInfinite() method is : true
Infinity value for isFinite() method is   : false

Example 2

public class Double_isInfiniteMethodExample2 {

    public static void main(String[] args) {

        // will return false

        Double d1 = new Double(0X7f800000);

        System.out.println("1. "+d1+" value = " + Double.isInfinite(d1));

        //will return false

        Double d2 = new Double(76E-43);

        System.out.println("2. "+d2+" value = " + Double.isInfinite(d2));

        //will return false for NaN

        Double d3 = new Double(0.0/0.0);

        System.out.println("3. "+d3+" value = "+Double.isInfinite(d3));

        //will return true for negative infinity

        Double d4 = new Double(-3723.93/0.0);

        System.out.println("4. "+d4+" value = "+Double.isInfinite(d4));

    }

}

Test it Now

Output:

1. 2.13909504E9 value = false
2. 7.6E-42 value = false
3. NaN value = false
4. -Infinity value = true

Example 3

public class Double_isInfiniteMethodExample3 {

    public static void main(String[] args) {

        Double d1 = new Double(76434763746.82468746746874827);

        //static isInfinite() method

        boolean b1=Double.isInfinite(d1);

        System.out.println("1. "+d1+" value = "+b1);

        double d2 = 27.827;

        //also be called inside println function

        System.out.println("2. "+d2+" value = "+Double.isInfinite(d2));

        double d3= Double.POSITIVE_INFINITY;

        System.out.println("3. "+d3+ " value = " +Double.isInfinite(d3));

        double d4= Double.NEGATIVE_INFINITY;

        System.out.println("4. "+d4+ " value = " +Double.isInfinite(d4));

        double d5=Double.NaN;

        System.out.println("5. "+d5+ " value = " +Double.isInfinite(d5));

    }

}

Test it Now

Output:

1. 7.643476374682469E10 value = false
2. 27.827 value = false
3. Infinity value = true
4. -Infinity value = true
5. NaN value = false

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Java Double isInfinite() method

Syntax

Parameters

Return value

Example 1

Example 2

Example 3

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