-3
我很感興趣,瞭解是否有初始化構造Java:在構造函數內部或外部初始化對象?
public class HTMLTable {
int value1;
Scanner user_input;
public HTMLTable() {
user_input = new Scanner(System.in);
value = user_input.next();
}
}
而不是內部或外部物體之間的任何差別:
public class HTMLTable {
int value1;
Scanner user_input = new Scanner(System.in);
public HTMLTable() {
value = user_input.next();
}
}
有人能解釋一下嗎?
和http://stackoverflow.com/questions/3918578/should-i-initialize-variable-within-constructor-or-outside-constructor – 2013-03-11 10:57:47