Java Float toHexString() Method

The toHexString() method of Java Float class returns a hexadecimal string corresponding to the argument passed(float argument).

The result is:

String "NaN", if the argument passed is NaN.
String representing sign and absolute value (magnitude) of the float parameter.

Syntax:

Parameters:

f - This is the float argument to be converted.

Return Value:

The toHexString() method returns a hex string illustration of the float argument.

Example 1

public class FloatToHexStringExample1 { 
    public static void main(String[] args) { 
        Float f1 =7823764.8374f;
        String f2 = Float.toHexString(f1);
        System.out.println("1. Hex String = "+f2);
        //passing negative numbers
        Float f3 = -6789564f;
        System.out.println("2. Hex String = "+Float.toHexString(f3));
        Float f4= 0.98822f;
        System.out.println("3. Hex String = "+Float.toHexString(f4));

    }
}

Test it Now

Output:

1. Hex String = 0x1.dd8654p22
2. Hex String = -0x1.9e66fp22
3. Hex String = 0x1.f9f7f8p-1

Example 2

public class FloatToHexStringExample2 {

    public static void main(String[] args) {

        Float f1 = Float.MIN_VALUE;

        String f2 = Float.toHexString(f1);

        System.out.println("1. "+f1+" converted to HexString = "+f2);

        Float f3 = Float.MAX_VALUE;

        String f4 = Float.toHexString(f3);

        System.out.println("2. "+f3+" converted to HexString = "+f4);

        Float f5 = Float.NaN;

        String f6 = Float.toHexString(f5);

        System.out.println("3. "+f5+" converted to HexString = "+f6);

        Float f7 = Float.POSITIVE_INFINITY;

        String f8 = Float.toHexString(f7);

        System.out.println("4. "+f7+" converted to HexString = "+f8);

        Float f9 = Float.NEGATIVE_INFINITY;

        String f10 = Float.toHexString(f9);

        System.out.println("5. "+f9+" converted to HexString = "+f10);

    }
}

Test it Now

Output:

1. 1.4E-45 converted to HexString = 0x0.000002p-126
2. 3.4028235E38 converted to HexString = 0x1.fffffep127
3. NaN converted to HexString = NaN
4. Infinity converted to HexString = Infinity
5. -Infinity converted to HexString = -Infinity

Example 3

public class FloatToHexStringExample3 {

    public static void main(String[] args) {

        float f1 = 897.8f;

        Float f2 = new Float(f1);

        Float f3 = Float.toHexString(f2);

        System.out.println("Hex String = "+f3);

    }

}

Test it Now

Output:

Error:(5, 37) java: incompatible types: java.lang.String cannot be converted to java.lang.Float

Next TopicJava Float

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Java Float toHexString() Method

Syntax:

Parameters:

Return Value:

Example 1

Example 2

Example 3

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