Java tutorial
//package com.java2s; //License from project: Open Source License public class Main { /** * Parses a float. * If null or not a float, the default is returned. * * @param s a string * @param defaultValue the default * @return the parsed result */ public static float parseFloat(String s, float defaultValue) { if (s == null) return defaultValue; try { return Float.parseFloat(s); } catch (NumberFormatException e) { return defaultValue; } } }