java.lang.Float.parseFloat()

package com.codingdict;



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);

   }

}