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@@ -31,6 +31,7 @@ stackoverflow-Java-top-qa
 * [wait()和sleep()的区别](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/difference-between-wait-and-sleep.md)
 * [能否在一个构造器( `constructor` )中调用另一个构造器](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/How-do-i-call-one-constructor-from-another-in-java.md)
 * [ `finally` 代码块总会被执行么](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/Does-finally-always-execute-in-Java.md)
+* [如何将String转换为enum](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/convert-a-string-to-an-enum-in-java.md)
 
 > 编程技巧
 
@@ -65,7 +66,6 @@ stackoverflow-Java-top-qa
 - [Why is executing Java code in comments with certain Unicode characters allowed?](http://stackoverflow.com/questions/30727515/why-is-executing-java-code-in-comments-with-certain-unicode-characters-allowed)
 - [Dealing with “java.lang.OutOfMemoryError: PermGen space” error](http://stackoverflow.com/questions/88235/dealing-with-java-lang-outofmemoryerror-permgen-space-error)
 - [“implements Runnable” vs. “extends Thread”](http://stackoverflow.com/questions/541487/implements-runnable-vs-extends-thread)
-- [Convert a String to an enum in Java](http://stackoverflow.com/questions/604424/convert-a-string-to-an-enum-in-java)
 - [Android SDK installation doesn't find JDK](http://stackoverflow.com/questions/4382178/android-sdk-installation-doesnt-find-jdk)
 - [Initialization of an ArrayList in one line](http://stackoverflow.com/questions/1005073/initialization-of-an-arraylist-in-one-line)
 - [Java inner class and static nested class](http://stackoverflow.com/questions/70324/java-inner-class-and-static-nested-class)
 
@@ -0,0 +1,50 @@
+##如何将String转换为enum
+
+### 问题
+一个枚举定义：
+
+```java
+public enum Blah {
+    A, B, C, D
+}
+```
+并且我知道枚举的String值，比如 "A"，我想将其转换为Blah.A，我应该怎么做？  
+是否有Enum.valueOf() 这样的方法，如果是，那我如何使用？
+
+
+### 答案
+是的，Blah.valueOf("A") 将会得到 Blah.A
+
+静态方法valueOf() 和 values() 会在编译期创建，不过这不会体现在源代码内，他们出现在JavaDoc中，比如 [Dialog.ModalityTyp](http://docs.oracle.com/javase/7/docs/api/java/awt/Dialog.ModalityType.html) 中出现这两个方法。
+
+### 其他答案
+
+我有一个友善的工具方法：
+```java
+/**
+ * A common method for all enums since they can't have another base class
+ * @param <T> Enum type
+ * @param c enum type. All enums must be all caps.
+ * @param string case insensitive
+ * @return corresponding enum, or null
+ */
+public static <T extends Enum<T>> T getEnumFromString(Class<T> c, String string) {
+    if( c != null && string != null ) {
+        try {
+            return Enum.valueOf(c, string.trim().toUpperCase());
+        } catch(IllegalArgumentException ex) {
+        }
+    }
+    return null;
+}
+```
+
+你可以这么使用：
+
+```java
+public static MyEnum fromString(String name) {
+    return getEnumFromString(MyEnum.class, name);
+}
+```
+
+stackoverflow链接：http://stackoverflow.com/questions/604424/convert-a-string-to-an-enum-in-java