Java.lang.Float.parseFloat() Method

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Description

The java.lang.Float.parseFloat() method returns a new float initialized to the value represented by the specified String, as done by the valueOf method of class Float.

Declaration

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

public static float parseFloat(String s) throws NumberFormatException

Parameters

s − This is the string to be parsed.

Return Value

This method returns the float value represented by the string argument.

Exception

NumberFormatException − if the string does not contain a parsable float.

Example

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

package com.tutorialspoint;

import java.lang.*;

public class FloatDemo {

   public static void main(String[] args) {

      Float f = new Float("20.75f");
   
      // returns the float value represented by the string argument
      String str = "30";
      float retval = f.parseFloat(str);
      System.out.println("Value = " + retval);
   }
}   

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

Value = 30.0