几个java题目，很简单

Question

6. Redefining a problem is often done so the programmer can
(a) write better comments in the program solution
(b) rewrite the problem using fewer words
(c) reduce syntax errors in the program solution
(d) understand the problem better

12. Which of the following is a Java statement that imports classes in the package java.sql?
(a) import java.sql.*;
(b) import java.sql.all;
(c) import all java.sql;
(d) import java.sql;

15. In Java, the method HttpRequest.getParameter returns an object of which of the following classes?
(a) PrintWriter
(b) String
(c) Parameter
(d) HttpRequest

17. Which of the following is (are) true regarding the Java API documentation?
I. The list of classes can be filtered by package.
II. Typically, only the most important methods of a class are listed.
III. The documentation for one class often refers to other classes.
(a) I and II only
(b) I and III only
(c) I, II, and III
(d) II and III only

如果回答的好 可能有分加哦 尽量详细解释下 谢谢

Answer 1

6.a 加上详细的注释 12.a 导入java.sql包中的类使用import java.sql.*;
15.b HttpRequest.getParameter方法返回一个String类型的字符串。
17.b 1.可以通过先查询包名，再查找此包中的类。
2.在java API中只显示有代表性、最重要的方法。 这个是错误的。
3.API中的类经常引用其他类

Answer 2

D
A
B
B
主要是第一题，楼上的把so 理解错了。