标识符和关键字

标识符和关键字

public class Demo01 {
    public static void main(String[] args) {
        String Ahello = "Andy"; // ctrl+ d  复制当行内容
        String ahello = "Andy";
        String $hello = "Andy";
        String _hello = "Andy";

        //大小写十分敏感
        String Man = "Andy";
        String man = "Andy";

        String 王者荣耀 ="百星王者";
        System.out.println(王者荣耀);


    }

}