Java.lang.Float.toHexString() Method


The java.lang.Float.toHexString() method returns a hexadecimal string representation of the float argument f.Some examples can be seen here −

Floating-point Value Hexadecimal String
1.0 0x1.0p0
-1.0 -0x1.0p0
2.0 0x1.0p1
3.0 0x1.8p1
0.5 0x1.0p-1
0.25 0x1.0p-2
Float.MAX_VALUE 0x1.fffffep127
Minimum Normal Value 0x1.0p-126
Maximum Subnormal Value 0x0.fffffep-126
Float.MIN_VALUE 0x0.000002p-126


Following is the declaration for java.lang.Float.toHexString() method

public static String toHexString(float f)


f − This is the float to be converted.

Return Value

This method returns a hex string representation of the argument.




The following example shows the usage of java.lang.Float.toHexString() method.

package com.tutorialspoint;

import java.lang.*;

public class FloatDemo {

   public static void main(String[] args) {

      Float f = new Float("50.32");

      /* returns a hexadecimal string representation of the
         float argument */
      String str = f.toHexString(1.0f);
      System.out.println("Hex String = " + str);
      str = f.toHexString(3.0f);
      System.out.println("Hex String = " + str);
      str = f.toHexString(0.25f);
      System.out.println("Hex String = " + str);
      str = f.toHexString(Float.MIN_VALUE);
      System.out.println("Hex String = " + str);

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

Hex String = 0x1.0p0
Hex String = 0x1.8p1
Hex String = 0x1.0p-2
Hex String = 0x0.000002p-126