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Java Float class toHexString() method with example

Float class toHexString() method: Here, we are going to learn about the toHexString() method of Float class with its syntax and example.
Submitted by Preeti Jain, on October 08, 2019

Float class toHexString() method

  • toHexString() method is available in java.lang package.
  • toHexString() method is used to represent a hexadecimal string of the given parameter [value] of single-precision floating-point type.
  • toHexString() method is a static method, it is accessible with the class name too and if we try to access the method with the class object then also we will not get an error.
  • toHexString() method does not throw an exception at the time of conversion from float to Hexadecimal string.


    public static String toHexString (float value);


  • float value – represents the float value to be converted.

Return value:

The return type of this method is String, it returns the hexadecimal string of the given parameter that represent the float value.


// Java program to demonstrate the example 
// of toHexString(float value) method of Float class

public class ToHexStringOfFloatClass {
    public static void main(String[] args) {
        // Variables initialization
        float f1 = 10.0f;
        float f2 = 20.0f;
        float f3 = 30.0f;
        float f4 = Float.MAX_VALUE;
        float f5 = Float.MIN_VALUE;

        // Float instance creation
        Float value = new Float(f1);

        // It represents hexadecimal string of the given
        // float type f2 argument
        String s = value.toHexString(f2);

        // Display Hexadecimal String Representation
        System.out.println("value.toHexString(f2): " + s);

        // It represents hexadecimal string of the given
        // float type f3 argument
        s = value.toHexString(f3);

        // Display Hexadecimal String Representation
        System.out.println("value.toHexString(f3): " + s);

        // It represents hexadecimal string of the given
        // float type f4 argument
        s = value.toHexString(f4);

        // Display Hexadecimal String Representation
        System.out.println("value.toHexString(f4): " + s);

        // It represents hexadecimal string of the given
        // float type f5 argument
        s = value.toHexString(f5);

        // Display Hexadecimal String Representation
        System.out.println("value.toHexString(f5): " + s);


value.toHexString(f2): 0x1.4p4
value.toHexString(f3): 0x1.ep4
value.toHexString(f4): 0x1.fffffep127
value.toHexString(f5): 0x0.000002p-126


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