用法：在编辑框中输入少量字符就可以得到常用的代码块（要在能用的地方用，否则提示），可以结合快捷键Ctrl+Alt+T减少代码编写
快捷键：Ctrl+J，已定义的自动代码；Ctrl+Alt+J，用动态模板环绕，同Ctrl+J内容不太一样，输入后Tab，或者Enter都会更改为代码块
psvm：main sout：System.out.println(); soutm：System.out.println("Classname.MethodName"); soutp：System.out.println("parameterNames = [" + values + "]"); soutv：System.out.println("valueName = " + value); souf：System.out.printf(""); serr：System.err.println(); Sfmt：String.format("", ); fori：for(int i =0;i<;i++){} foreach:for ( : ) {} I：for (Object o : ) {} ifn：if(xxx==null){} inn：if(xxx!=null){} inst：if (xxx instanceof Object) {Object XX = (Object) xxx; } itar：for (int i = 0; i < array.length; i++) { xxx= array[i];} ritar：for (int i = array.length - 1; i >= 0; i--) {xxx= array[i];} itco：for (Iterator iterator = collection.iterator();iterator.hasNext(); ) {Object next = iterator.next();} iter：for (Object o : ) { } itit：while (iterator.hasNext()) {Object next = iterator.next();} itli：for (int i = 0; i < list.size(); i++) {Object o = list.get(i);} itve：for (int i = 0; i < vector.size(); i++) {Object elementAt = vector.elementAt(i);} lazy：if (userDO == null) {userDO = new UserDO();} toar：.toArray(new Object[.size()]) thr：throw new todo：标记 fixme：类似于TODO，记录一个标记