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Article #22101

re: scjp����:����⼰��

#22101
From: �˺�2��
Date: Tue, 28 Oct 2003 07:47
110 lines
3028 bytes
Q65
Given the following code, which method declarations, when inserted at the in
dicated position, will not cause the program to fail compilation?
public class Qdd1f {
public long sum(long a, long b) { return a + b; }
// insert new method declaration here
}
1) public int sum(int a, int b) { return a + b; }
2) public int sum(long a, long b) { return 0; }
3) abstract int sum();
4) private long sum(long a, long b) { return a + b; }
5) public long sum(long a, int b) { return a + b; }
Q66
The 8859-1 character code for the uppercase letter A is 65. Which of these c
ode fragments declare and initialize a variable of type char with this value
?
1) char ch = 65;
2) char ch = '\65';
3) char ch = '\0041';
4) char ch = 'A';
5)char ch = "A";
1) 4
2) 2
3) 2
4) 2, 6
5) 4
6) 3
7) 4
8) 4
9) 1, 2, 3, 5
10) 1, 5
11) 4
12) 5
13) 1
14) "LayoutManager layout = new GridLayout(2, 3);"
or: "LayoutManager layout = new GridLayout(2, 3)"
15) 5
16) 3
17) 2, 4
18) 4, 5
19) 2
20) 4
21) 4
22) 5
23) 1, 2
24) 2
25) 1, 4
26) 3
27) 4
28) 3 (? no run-time exception)
29) 1, 4, 5
30) 5
31) 2, 5
32) 1
33) 3, 4
34) 2, 3
35) 2, 4
36) 3, 5
37) 2, 5
38) 3, 4
39) 1
40) 1, 2, 3
41) "wait"
42) 3
43) 3
44) 5
45) 4
46) 1, 2, 3, 4
47) 2
48) 1, 2, 4
49) 1
50) 2, 3
51) 1, 5
52) 1, 3
53) 1
54) 2, 5
55) 5
56) 2, 3
57) 4
58) 2, 3
59) 5
60) super.print();
61) 4
62) 1
63) 1,2
64) 1,2,5
65) 1,5
66) 1,4

�� �� amou (�˺�2��) �Ĵ������ᵽ: ��
: SCJP Mock Exam 1 ������8941
: ���� ����
:     [����JAVA������ 2001-11-30]
: ת�� ����Ŀ�ʹ𰸽����ο�
: Q1
: A method is ...
: 1) an implementation of an abstraction.
: 2) an attribute defining the property of a particular abstraction.
: 3) a category of objects.
: 4) an operation defining the behavior for a particular abstraction.
: .................������ʡ�ԣ�

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From: amou.bbs@bbs.neu.edu.cn (�˺�2��)
Newsgroups: cn.bbs.comp.lang.java
Subject: re: scjp����:����⼰��
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