Item2:Consider a builder when faced with many constructor parameters 当构造方法有多个参数时,可以考虑使用builder方式进行处理. 实例代码: public class NutritionFacts { private final int servingSize; private final int servings; private final int calories; private final int fat; pr…
Mac Item2自动远程连接服务器 1.编写脚本 vi test #!/usr/bin/expect set PORT 端口 set HOST ip set USER root set PASSWORD 密码 spawn ssh -p $PORT $USER@$HOST expect { "yes/no" {send "yes\r";exp_continue;} "*password:*" { send "$PASSWORD\r&qu…