java的升级软件，java是一种用途很广的计算机语言，与C，C++不同的是，它是面向对象的语言。-upgrade java software, java is a very versatile computer languages, with C, C++ is different is that it is an object-oriented language.

这是 java 1.8 的运行环境 适合 浏览器运行，支持 xp win7 win10