怎么查询二维数组中的值

Question

例如：Object[][] books={{1,"html5"},{2,"java"},{3,"linux"},{4,"javascript"},{5,"cisco"}};

Answer 1

for (int i = 0; i < books.length; i++) {     for (int j = 0; j < books[i].length; j++) {        System.out.print(books[i][j] + " ");     }     System.out.println();    }