四川大学2013年Java试卷资源-CSDN文库

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2013 年 JAVA 卷

一、单项选择题（本大题共30小题，每小题2分，共60分）提示：在每小题列出的四个备选项中只

有一个是符合题目要求的，请将其代码填写在题后的括号内。错选、多选或未选均无分

1、 Which method must exist in every Java application? A

A. main B. paint C. begin D. init

2、 Which of the following statements is (are) true about the use of an asterisk (*) in a

Java import statement?

I. It does not incur run-time overhead.

II. It can be used to import multiple packages with a single statement.

III. It can be used to import multiple classes with a single statement.

A. I and III only B. III only C. I only D. I, II, and III

3、 A difference between the methods print and println of the class java.io.PrintWriter

is that B

A. print inserts a new line at the beginning of its output, but println does not

B. println appends a new line to the end of its output, but print does not

C. println inserts a new line at the beginning of its output, but print does not

D. print appends a new line to the end of its output, but println does not

4、 S u p p o s e t h a t t h e i n t e g e r a r r a y l i s t h a s b e e n d e c l a r e d a n d i n i t i a l i z e d a s

follows： D

private int[] list = { 10, 20, 30, 40, 50 };

public void mystery(int[] array) {

int tmp = array[array.length - 1];

for (int i = array.length-1; i>0; i--) {

array[i] = array[i - 1];

}

array[0] = tmp;

}

Given this array, what is the effect of calling the method mystery(list)

A. 10, 20, 30, 40, 50

B. 30, 40, 50, 10, 20

C. 20, 30, 40, 50, 10

D. 50, 10, 20, 30, 40

注：试题字迹务必清晰，书写工整。本题 10 页，本页为第 1 页

教务处试题编号：

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