https://blog.youkuaiyun.com/coder_turbozh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/coder_turbo/article/details/52892542https://blog.youkuaiyun.com/coder_turbo/article/details/52892542coder_turboSat, 22 Oct 2016 15:26:55 +0800int->long->float->double(高) 其中byte类型数据可以自动转换成short类型。 short类型数据和char类型数据之间相互转换只能强制类型转换，因为它们虽然内存占用相同但是表数范围不（short是-128~127，char是0~6553]]>https://blog.youkuaiyun.com/coder_turbo/article/details/52143924https://blog.youkuaiyun.com/coder_turbo/article/details/52143924coder_turboSun, 07 Aug 2016 18:04:22 +0800https://blog.youkuaiyun.com/coder_turbo/article/details/52130216https://blog.youkuaiyun.com/coder_turbo/article/details/52130216coder_turboFri, 05 Aug 2016 16:14:50 +0800https://blog.youkuaiyun.com/coder_turbo/article/details/52121090https://blog.youkuaiyun.com/coder_turbo/article/details/52121090coder_turboThu, 04 Aug 2016 17:18:36 +0800https://blog.youkuaiyun.com/coder_turbo/article/details/52108846https://blog.youkuaiyun.com/coder_turbo/article/details/52108846coder_turboWed, 03 Aug 2016 23:59:41 +0800https://blog.youkuaiyun.com/coder_turbo/article/details/52102584https://blog.youkuaiyun.com/coder_turbo/article/details/52102584coder_turboWed, 03 Aug 2016 12:59:24 +0800https://blog.youkuaiyun.com/coder_turbo/article/details/52081899https://blog.youkuaiyun.com/coder_turbo/article/details/52081899coder_turboSun, 31 Jul 2016 23:58:30 +0800属性 高级系统设置>环境变量新建系统变量：JAVA_HOME 变量值：C:\Program Files\Java\jdk1.8.0_72 (JDK的安装路径)新建系统变量：CLASSPATH 变量值：]]>