Here you can find the source of toFloat(Object value)
public static final float toFloat(Object value)
//package com.java2s; public class Main { public static final float toFloat(Object value) { if (value instanceof Number) return ((Number) value).floatValue(); else if (value == null) return 0; else/*from w w w. j a va2 s .co m*/ return Float.parseFloat(value.toString()); } public static final String toString(Object value) { if (value == null) return null; return value.toString(); } }