public class HelloWorld {
??? public static void main(String[] args) {
???????
??// 定義兩行三列的二維數組并賦值
?String [][]????????? names={{"tom","jack","mike"},{"zhangsan","lisi","wangwu"}};
????????????????
??// 通過二重循環輸出二維數組中元素的值
??for (int i = 0; i <names.length???? ; i++) {
???????????
???for (int j = 0; j < names[i].length; j++) {
???????????????
????System.out.println(names[i][j]????????????????? );
???}
???????????
???System.out.println();
??}
?}
}

請問大神：程序中的黑色斜體部分是什么意思？能具體解釋一下嗎？