我应该如何升级我的Java编译器
[英]How should I upgrade my Java compiler
问题描述
When I run $ javac Simulator.java then I get the following warning: 
当我运行$ javac Simulator.java我收到以下警告：
warning: ./particle_simulator/Atom.class: major version 51 is newer than 50, the highest major version supported by this compiler.
I don't know why I suddenly get this warning as I haven't made substantial changes to my code. 我不知道为什么我突然得到这个警告，因为我没有对我的代码进行实质性更改。 Nevertheless, how do I upgrade my Java compiler? 不过，我如何升级我的Java编译器？
I'm running Mac OSX 10.7.5 and my Java version is below: 我正在运行Mac OSX 10.7.5，我的Java版本如下：
java version "1.6.0_65"
Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)
1 个解决方案
解决方案1
8 已采纳 2013-11-22 05:58:41
Download the JDK from Oracle: http://www.oracle.com/technetwork/java/javase/downloads/ . 从Oracle下载JDK： http ： //www.oracle.com/technetwork/java/javase/downloads/ 。 Make sure you get the OSX version. 确保获得OSX版本。 It has its own installer so installation should be pretty straight forward. 它有自己的安装程序，因此安装应该非常简单。
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