IDEA中程式碼模板學習
阿新 • • 發佈:2019-01-01
/** * 1. IDEA中程式碼模板所處的位置:settings - Editor - Live Templates / Postfix Completion * 2. 常用的模板 */ public class TemplatesTest { //模板六: prsf:可生成 private static final private static final Customer CUST = new Customer(); //變形:psf public static final int NUM = 1; //變形:psfi public static final int NUM2 = 2; //變形:psfs public static final String NATION = "china"; //模板一:psvm public static void main(String[] args) { //模板二:sout System.out.println("hello!"); //變形:soutp / soutm / soutv / xxx.sout System.out.println("args = [" + args + "]"); System.out.println("TemplatesTest.main"); int num1 = 10; System.out.println("num1 = " + num1); int num2 = 20; System.out.println("num2 = " + num2); System.out.println(num1); //模板三:fori String[] arr = new String[]{"Tom","Jerry","HanMeimei","Lilei"}; for (int i = 0; i < arr.length; i++) { System.out.println(arr[i]); } //變形:iter for (String s : arr) { System.out.println(s); } //變形:itar for (int i = 0; i < arr.length; i++) { String s = arr[i]; System.out.println(s); } //模板四:list.for ArrayList list = new ArrayList(); list.add(123); list.add(345); list.add(567); for (Object o : list) { } //變形:list.fori for (int i = 0; i < list.size(); i++) { } //變形:list.forr 倒序遍歷 for (int i = list.size() - 1; i >= 0; i--) { } } public void method(){ System.out.println("TemplatesTest.method"); ArrayList list = new ArrayList(); list.add(123); list.add(345); list.add(567); //模板五:ifn if (list == null) { } //變形:inn if (list != null) { } //變形:xxx.nn / xxx.null if (list == null) { } if (list != null) { } } }