所有class实例方法的打印语句终于打印出来了吗?
Print statement of all the class instance method are printing at last?
我在 class LinkedList 中定义了一个 printList() 方法,它打印出链表中的所有数据。在打印当前列表实例的所有元素后,它打印出语句 "list printed" 。现在,在创建 class LinkedList 的三个实例并在每个实例上逐个调用 printList 之后,打印所有三个实例的元素,然后 "list printed" 并更改行打印三次。谁能解释一下这背后的原因?
Class定义:
class Node{
public:
int data;
Node* next;
Node(int data){
this->data = data;
next = NULL;
}
};
class LinkedList{
public:
Node* head;
LinkedList(){
head==NULL;
}
void push(int data){
Node* temp = new Node(data);
temp->next = head;
head = temp;
}
void printList(){
Node* temp = head;
while(temp){
cout<<temp->data<<" ";
temp = temp->next;
}
cout<<"list printed"<<endl;
}
};
驱动程序:
LinkedList ll1;
ll1.push(7);
ll1.push(5);
ll1.push(3);
ll1.push(1);
LinkedList ll2;
ll1.push(8);
ll1.push(6);
ll1.push(4);
ll1.push(2);
LinkedList ll3;
ll1.push(11);
ll1.push(10);
ll1.push(9);
ll1.push(0);
ll1.printList();
ll2.printList();
ll3.printList();
输出:
0 9 10 11 2 4 6 8 1 3 5 7 list printed
list printed
list printed
请按如下方式更新您的代码
LinkedList ll1;
ll1.push(7);
ll1.push(5);
ll1.push(3);
ll1.push(1);
LinkedList ll2;
ll2.push(8);
ll2.push(6);
ll2.push(4);
ll2.push(2);
LinkedList ll3;
ll3.push(11);
ll3.push(10);
ll3.push(9);
ll3.push(0);
ll1.printList();
ll2.printList();
ll3.printList();
我在 class LinkedList 中定义了一个 printList() 方法,它打印出链表中的所有数据。在打印当前列表实例的所有元素后,它打印出语句 "list printed" 。现在,在创建 class LinkedList 的三个实例并在每个实例上逐个调用 printList 之后,打印所有三个实例的元素,然后 "list printed" 并更改行打印三次。谁能解释一下这背后的原因?
Class定义:
class Node{
public:
int data;
Node* next;
Node(int data){
this->data = data;
next = NULL;
}
};
class LinkedList{
public:
Node* head;
LinkedList(){
head==NULL;
}
void push(int data){
Node* temp = new Node(data);
temp->next = head;
head = temp;
}
void printList(){
Node* temp = head;
while(temp){
cout<<temp->data<<" ";
temp = temp->next;
}
cout<<"list printed"<<endl;
}
};
驱动程序:
LinkedList ll1;
ll1.push(7);
ll1.push(5);
ll1.push(3);
ll1.push(1);
LinkedList ll2;
ll1.push(8);
ll1.push(6);
ll1.push(4);
ll1.push(2);
LinkedList ll3;
ll1.push(11);
ll1.push(10);
ll1.push(9);
ll1.push(0);
ll1.printList();
ll2.printList();
ll3.printList();
输出:
0 9 10 11 2 4 6 8 1 3 5 7 list printed
list printed
list printed
请按如下方式更新您的代码
LinkedList ll1;
ll1.push(7);
ll1.push(5);
ll1.push(3);
ll1.push(1);
LinkedList ll2;
ll2.push(8);
ll2.push(6);
ll2.push(4);
ll2.push(2);
LinkedList ll3;
ll3.push(11);
ll3.push(10);
ll3.push(9);
ll3.push(0);
ll1.printList();
ll2.printList();
ll3.printList();