1 /**
 2 *
 3  * 1. IDEA中代码模板所处的位置：settings - Editor - Live Templates / Postfix Completion
 4  * 2. 常用的模板
 5  */
 6 public class TemplatesTest {
 7
 8     //模板六： prsf：可生成 private static final
 9     private static final Customer CUST = new Customer();
10
11     //变形：psf
12     public static final int NUM = 1;
13     //变形：psfi
14     public static final int NUM2 = 2;
15     //变形：psfs
16     public static final String NATION = "china";
17
18     //模板一：psvm
19     public static void main(String[] args) {
20
21         //模板二：sout
22         System.out.println("hello!");
23         //变形：soutp / soutm / soutv / xxx.sout
24         System.out.println("args = [" + args + "]");
25         System.out.println("TemplatesTest.main");
26
27         int num1 = 10;
28         System.out.println("num1 = " + num1);
29         int num2 = 20;
30         System.out.println("num2 = " + num2);
31         System.out.println(num1);
32
33         //模板三：fori
34         String[] arr = new String[]{"Tom","Jerry","HanMeimei","Lilei"};
35         for (int i = 0; i < arr.length; i++) {
36             System.out.println(arr[i]);
37
38         }
39         //变形：iter
40         for (String s : arr) {
41             System.out.println(s);
42         }
43         //变形：itar
44         for (int i = 0; i < arr.length; i++) {
45             String s = arr[i];
46             System.out.println(s);
47
48         }
49
50         //模板四：list.for
51         ArrayList list = new ArrayList();
52         list.add(123);
53         list.add(345);
54         list.add(567);
55
56         for (Object o : list) {
57
58         }
59
60         //变形：list.fori
61         for (int i = 0; i < list.size(); i++) {
62
63         }
64
65         //变形：list.forr 倒序遍历
66         for (int i = list.size() - 1; i >= 0; i--) {
67
68         }
69     }
70
71     public void method(){
72         System.out.println("TemplatesTest.method");
73
74         ArrayList list = new ArrayList();
75         list.add(123);
76         list.add(345);
77         list.add(567);
78
79         //模板五：ifn
80         if (list == null) {
81
82         }
83         //变形:inn
84         if (list != null) {
85
86         }
87
88         //变形：xxx.nn /  xxx.null
89         if (list == null) {
90
91         }
92
93         if (list != null) {
94
95         }
96     }
97 }