为什么括号内不加“”?
public class HelloWorld{ public static void main(String[] args) { String myLove="我爱慕课网"; String myBoddy="www.imooc.com"; System.out.println(myLove); System.out.println(myBoddy); } } System.out.println(myLove); System.out.println(myBoddy); 为什么括号内不加“”?