1、常用代码模板
模板一：psvm或main
?public static void main(String[] args) {
? ? ? ? ?
?}
模板二：sout
?System.out.println();
?//soutp
?System.out.println("prm = " + prm);
?//soutm
?System.out.println("helloworld.test");
?//soutv
?int num = 1;
?System.out.println("num = " + num);
?//xxx.sout
?System.out.println(num);
模板三：fori
?for (int i = 0; i < ; i++) {
??
?}
??
?String[] arr = new String[]{"test1","test2"};
?//iter或arr.for
?for (String s : arr) {
??
?}
?//itar
?for (int i = 0; i < arr.length; i++) {
? ? ?String s = arr[i];
?}
?//arr.fori
?for (int i = 0; i < arr.length; i++) {
??
?}
?//arr.forr
?for (int i = arr.length - 1; i >= 0; i--) {
??
?}
??
模板四：ifn
?//ifn或arr.null
?if (arr == null) {
??
?}
?//inn或arr.nn
?if (arr != null) {
??
?}
模板五：prsf
?//prsf
?private static final
?//psf
?public static final
?//psfi
?public static final int
?//psfs
?public static final String
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