摘要:
export JAVA_HOME=$(/usr/libexec/java_home -v 1.8) mac有自带的工具,直接使用/usr/libexec/java_home之后可以切换多个版本进行控制台使用 阅读全文
摘要:
7-1 Forever (20分) "Forever number" is a positive integer A with K digits, satisfying the following constrains: the sum of all the digits of A is m; th 阅读全文