1. package com.kxg_LinkidList;
   
2. 
   
3. import java.util.LinkedList;
   
4. 
   
5. /*
   
6. * LinkedList类特有功能：
   
7. * 1:添加功能
   
8. * public void addFirst(Object obj)
   
9. * public void addLast(Object obj)
   
10. * 2:获取功能
    
11. * public Object getFirst()
    
12. * public Object getLast()
    
13. * 3:删除功能
    
14. * public Object removeFirst()
    
15. * public Object removeLast()
    
16. */
    
17. public class LinkedListDemo {
    
18. public static void main(String[] args) {
    
19. 
    
20. // 定义集合
    
21. LinkedList<String> list = new LinkedList<>();
    
22. 
    
23. // 添加元素
    
24. list.add("java");
    
25. 
    
26. // public void addFirst(Object obj)
    
27. list.addFirst("javase");
    
28. System.out.println(list);
    
29. 
    
30. // public void addLast(Object obj)
    
31. list.addLast("android");
    
32. System.out.println(list);
    
33. 
    
34. // public Object getFirst()
    
35. System.out.println(list.getFirst());
    
36. 
    
37. // public Object getLast()
    
38. System.out.println(list.getLast());
    
39. 
    
40. // public Object removeFirst()
    
41. System.out.println(list.removeFirst());
    
42. System.out.println(list);
    
43. 
    
44. // public Object removeLast()
    
45. System.out.println(list.removeLast());
    
46. System.out.println(list);
    
47. 
    
48. }
    
49. }
    

复制代码

1. package com.kxg_LinkidList;
   
2. 
   
3. import java.util.LinkedList;
   
4. 
   
5. /*
   
6. * LinkedList类特有功能：
   
7. * 1:添加功能
   
8. * public void addFirst(Object obj)
   
9. * public void addLast(Object obj)
   
10. * 2:获取功能
    
11. * public Object getFirst()
    
12. * public Object getLast()
    
13. * 3:删除功能
    
14. * public Object removeFirst()
    
15. * public Object removeLast()
    
16. */
    
17. public class LinkedListDemo {
    
18. public static void main(String[] args) {
    
19. 
    
20. // 定义集合
    
21. LinkedList<String> list = new LinkedList<>();
    
22. 
    
23. // 添加元素
    
24. list.add("java");
    
25. 
    
26. // public void addFirst(Object obj)
    
27. list.addFirst("javase");
    
28. System.out.println(list);
    
29. 
    
30. // public void addLast(Object obj)
    
31. list.addLast("android");
    
32. System.out.println(list);
    
33. 
    
34. // public Object getFirst()
    
35. System.out.println(list.getFirst());
    
36. 
    
37. // public Object getLast()
    
38. System.out.println(list.getLast());
    
39. 
    
40. // public Object removeFirst()
    
41. System.out.println(list.removeFirst());
    
42. System.out.println(list);
    
43. 
    
44. // public Object removeLast()
    
45. System.out.println(list.removeLast());
    
46. System.out.println(list);
    
47. 
    
48. }
    
49. }
    

复制代码