Here you can find the source of toFloat(Number value)
public static Float toFloat(Number value)
//package com.java2s; /*/*from ww w . j ava 2s. c om*/ * Copyright 1997-2011 teatrove.org * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static Float toFloat(Number value) { if (value == null) { return null; } else if (value instanceof Float) { return (Float) value; } else { return Float.valueOf(value.floatValue()); } } }