It has an internalstatevariable that starts with the value EMPTY and becomes FULL as soon as an object is put into it.
它有一个内部状态变量,该变量的起始值为EMPTY,只要放进一个对象,该变量的值就变成FULL了。
2
You can do it by accessing internal AppConfig: : State data or the array reference returned to you as the value of the array variable, but it is not recommended that you do so.
You can do it by accessing internal AppConfig: : State data or the hash reference returned to you as the value of the hash variable, but it is not recommended that you do so.