Java链表操作，

Java链表操作，

package org.thinking_in_java.gz.link;


public class LinkList {

	
	public Link<Integer> first;
	
	public LinkList(){
		this.first = null;
	}
	
	public void insertNode(Integer integer){
		Link<Integer> node = new Link<Integer>(integer);
		node.next = first;
		first = node;
	}
	
	
	public boolean isEmpty(){
		return (first == null);
	}
	
	
	public void delete(Integer data){
		
		@SuppressWarnings("rawtypes")
		Link current  = first, previous = first;
		while(Integer.parseInt(current.data.toString()) != data.intValue()){

			if(current.next != null){
				previous = current;
				current = current.next;
			}
		}
		
		if(current == first){
			first = first.next;
		}else{
			previous.next = current.next;
		}
		 
	}
	
	
	public static void main(String[] args) {
		
		LinkList list = new LinkList();
		list.insertNode(12);
		list.insertNode(13);
		list.insertNode(14);
		list.delete(12);
		
		Link current =  list.first;
		
		while(current != null){
			System.out.println(current.data);
			current = current.next;
		}
		
	}
	
}