單鏈表的逆序 java實現

思路 轉載來自 http://blog.csdn.net/autumn20080101/article/details/7607148

題目是這個。

直接上java實現代碼

結點Node

public class Node {
    private int data;

    public int getData() {
        return data;
    }

    public void setData(int data) {
        this.data = data;
    }

    public Node getLink() {
        return link;
    }

    public void setLink(Node link) {
        this.link = link;
    }

    private Node link;

}
public static Node reverseList(Node head){
        if(head == null || head.getLink() == null){
            return head;
        }
        Node prev = null;
        while(head != null){
            Node next = head.getLink();
            System.out.println(head);
            head.setLink(prev);
            prev = head;
            head = next;
        }
        return prev;
    }

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