t617的博客

1.JDK 的下载 下载安装JDK，记住安装路径（下面会用到）jdk下载 然后选择适合自己的安装 2.环境变量的设置 进入控制面板-系统-高级系统设置-高级 -环境变量 在系统变量添加 JAVA_HOME 值为jdk的安装路径 再在系统变量添加classpath，值设为 “.;%JAVA_HOME%\lib\dt.jar；”注意

198. House Robber题目描述 You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them