Here you can find the source of fromString(Class
public static <T extends Enum<T>> T fromString(Class<T> clazz, String name)
//package com.java2s; /**//from w w w .j a v a 2 s. c o m * Copyright 2011 The Open Source Research Group, * University of Erlangen-N?rnberg * * 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 <T extends Enum<T>> T fromString(Class<T> clazz, String name) { try { return Enum.valueOf(clazz, name); } catch (IllegalArgumentException e) { return null; } } }