DJ_Zhu@blog

char c = '8';//先转换成String类型：String s = String.valueOf(c);//再转换成Int类型：int i = Integer.parseInt(s);//打印看看结果：if(i==8)System.out.println("Ok");

Automatic garbage collection is the process of looking at heap memory, identifying which objects are in use and which are not, and deleting the unused objects. An in use object, or a referenced object