True or False.

The class String has a concat() method, while the StringBuffer class has an append() method.

Only One: 
1) True
2) False


Question 96
===========================================================
True or False.

The primative wrapper classes Integer, Double and Float all inherit directly from the java.lang.Wrapper class.

Only One: 
1) True
2) False


Question 97
===========================================================
Which of the following are valid methods for the Applet class.

Mutiple: 
1) start()
2) stop()
3) init()
4) destroy()
5) kill()


Question 98
===========================================================
True or False.

A label can only display a single line of text.

Only One: 
1) True
2) False


Question 99
===========================================================
Which of the following are valid methods for the Math class.

Mutiple: 
1) random()
2) Random()
3) toDegrees()
4) square()
5) sqr()


Question 400
===========================================================
True or False.

JDK 1.2 contains an Arrays class which provides various methods for manipulating arrays (such as searching and sorting).

Only One: 
1) True
2) False


Question 401
===========================================================
True or False.

The Class class has no public constructor.

Only One: 
1) True
2) False


Question 402
===========================================================
Which of the following statements is true with regard to persistence.

Only One: 
1) "Serializable" is a keyword within the Java language.
2) "Serializable" is an interface, which classes can implement.
3) "Serializable" is a class, which other classes can extend.
4) None of the above.


Question 403
===========================================================
Which of the following statements is correct with regard to threads.

Only One: 
1) "Runnable" is a keyword within the Java language, used to identify classes which can exist as separate threads.
2) "Runnable" is an interface, which classes can implement when they wish to execute as a separate thread.
3) "Runnable" is a class, which classes can extend when they wish to execute as a separate thread.
4) None of the above.
5) java does not support threads.


Question 404
===========================================================
Select the statements which are valid from the list below.

Mutiple: 
1) The primative data type "char" is 16-bits wide.
2) Unicode uses 16-bits to represent a character.
3) Unicode uses 32-bits to represent a character.
4) UTF uses 24-bits to represent a character.
5) UTF uses as many bits as are needed to represent a character.


Question 405
===========================================================
When a Frame is constructed, it has no size and is not displayed. Which of the following methods can be called to display the Frame.

Mutiple: 
1) setSize()
2) setBounds()
3) setDisplayable()
4) setVisible()
5) setState()


Question 406
===========================================================
Which one of the following is correct (assume A and B are correctly defined).

Mutiple: 
1) if (A instanceOf B)
2) if (A instanceof B)
3) if (A.instanceOf(B))
4) if (A instanceof(B))


Question 407
===========================================================
What is displayed when the following is executed:

double d1 = -0.5;
System.out.println("Ceil d1 = " + Math.ceil(d1));
System.out.println("floor d1 = " + Math.floor(d1));

Only One: 
1) Ceil d1 = -0.0 
floor d1 = -1.0
2) Ceil d1 = 0.0 
floor d1 = -1.0
3) Ceil d1 = -0.0 
floor d1 = -0.0
4) Ceil d1 = 0.0 
floor d1 = 0.0
5) Ceil d1 = 0 
floor d1 = -1


Question 408
===========================================================
Select the layour manager which is described by the following:

"It arranges its constituent components in horizontal rows. It will attempt to fit as many components as possible into the first row, and remaining components will spill over into subsequent rows. Components always appear left to right, in the order they were added to the container."

Mutiple: 
1) Flow Layout
2) Grid Layout
3) Card Layout
4) Transverse Flow Layout
5) Grid Bag Layout


Question 409
===========================================================
True or False

The argument for a "case" statement must be a constant or a constant expression which can be evaluated at compile time.

Only One: 
1) True
2) False


Question 410
===========================================================
Select the valid code fragments from the following list:

Mutiple: 
1) public transient static final int _FRAMEX = 850;
2) this("a", "b");
[assuming a constructor of the type xxx(String, String) exists for this class]
3) private transient static final int _FRAMEX = 850;
4) boolean b = 0;


                                 JTest
                 Sun Certified Programmer for Java2 Platform
                       Examination Score Report

     CANDIDATE:     JTest
     CANDIDATE ID:  JT12345678                DATE:2002-3-1(YYYY-MM-DD)
     Exam: JTest SCJP Mock Exam

Exam Results:

                   Correct Answers               Your Answers        Result
                    1  2  3  4  5                1  2  3  4  5
------------------------------------------------------------------------------------
Question # 01             3                            3               0
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Question # 02                4                            4            0
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Question # 03                4                            4            0
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Question # 04                4                            4            0
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Question # 05       1  2                         1  2                  0
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Question # 06       1     3  4  5                1     3  4  5         0
------------------------------------------------------------------------------------
Question # 07                   5                            5         0
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Question # 08          2                            2                  0
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Question # 09                4                            4            0
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Question # 10                   5                            5         0
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Question # 11                4                            4            0
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Question # 12          2                            2                  0
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Question # 13             3                            3               0
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Question # 14          2                            2                  0
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Question # 15       1                            1                     0
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Question # 16       1                            1                     0
------------------------------------------------------------------------------------
Question # 17                4                            4            0
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Question # 18             3                            3               0
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Question # 19          2                            2                  0
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Question # 20             3                            3               0
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Question # 21             3                            3               0
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Question # 22             3                            3               0
------------------------------------------------------------------------------------
Question # 23       1  2        5                1  2        5         0
------------------------------------------------------------------------------------
Question # 24                   5                            5         0
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Question # 25                4                            4            0
------------------------------------------------------------------------------------
Question # 26          2  3                         2  3               0
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Question # 27             3                            3               0
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Question # 28          2        5                   2        5         0
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Question # 29             3                            3               0
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Question # 30          2                            2                  0
------------------------------------------------------------------------------------
Question # 31       1                            1                     0
------------------------------------------------------------------------------------
Question # 32             3  4  5                      3  4  5         0
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Question # 33          2  3     5                   2  3     5         0
------------------------------------------------------------------------------------
Question # 34       1           5                1           5         0
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Question # 35          2  3                         2  3               0
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Question # 36             3                            3               0
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Question # 37       1  2                         1  2                  0
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Question # 38          2                            2                  0
------------------------------------------------------------------------------------
Question # 39       1     3  4                   1     3  4            0
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Question # 40       1  2  3  4  5                1  2  3  4  5         0
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Question # 41       1  2  3  4  5                1  2  3  4  5         0
------------------------------------------------------------------------------------
Question # 42          2  3  4                      2  3  4            0
------------------------------------------------------------------------------------
Question # 43          2                            2                  0
------------------------------------------------------------------------------------
Question # 44       1  2        5                1  2        5         0
------------------------------------------------------------------------------------
Question # 45                4                            4            0
------------------------------------------------------------------------------------
Question # 46             3  4  5                      3  4  5         0
------------------------------------------------------------------------------------
Question # 47                4  5                         4  5         0
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Question # 48             3                            3               0
------------------------------------------------------------------------------------
Question # 49       1     3     5                1     3     5         0
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Question # 50             3                            3               0
------------------------------------------------------------------------------------
Question # 51       1                            1                     0
------------------------------------------------------------------------------------
Question # 52                4                            4            0
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Question # 53       1                            1                     0
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Question # 54                4                            4            0
------------------------------------------------------------------------------------
Question # 55          2                            2                  0
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Question # 56          2                            2                  0
------------------------------------------------------------------------------------
Question # 57          2     4                      2     4            0
------------------------------------------------------------------------------------
Question # 58       1           5                1           5         0
------------------------------------------------------------------------------------
Question # 59          2                            2                  0
------------------------------------------------------------------------------------
Question # 60          2  3                         2  3               0
------------------------------------------------------------------------------------
Question # 61       1  2                         1  2                  0
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Question # 62       1                            1                     0
------------------------------------------------------------------------------------
Question # 63          2                            2                  0
------------------------------------------------------------------------------------
Question # 64          2     4                      2     4            0
------------------------------------------------------------------------------------
Question # 65             3  4  5                      3  4  5         0
------------------------------------------------------------------------------------
Question # 66       1  2  3                      1  2  3               0
------------------------------------------------------------------------------------
Question # 67       1                            1                     0
------------------------------------------------------------------------------------
Question # 68          2                            2                  0
------------------------------------------------------------------------------------
Question # 69             3                            3               0
------------------------------------------------------------------------------------
Question # 70             3                            3               0
------------------------------------------------------------------------------------
Question # 71                   5                            5         0
------------------------------------------------------------------------------------
Question # 72       1                            1                     0
------------------------------------------------------------------------------------
Question # 73             3                            3               0
------------------------------------------------------------------------------------
Question # 74             3                            3               0
------------------------------------------------------------------------------------
Question # 75       1  2     4  5                1  2     4  5         0
------------------------------------------------------------------------------------
Question # 76                4  5                         4  5         0
------------------------------------------------------------------------------------
Question # 77       1                            1                     0
------------------------------------------------------------------------------------
Question # 78       1                            1                     0
------------------------------------------------------------------------------------
Question # 79       1                            1                     0
------------------------------------------------------------------------------------
Question # 80       1                            1                     0
------------------------------------------------------------------------------------
Question # 81             3                            3               0
------------------------------------------------------------------------------------
Question # 82       1  2                         1  2                  0
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Question # 83             3                            3               0
------------------------------------------------------------------------------------
Question # 84                   5                            5         0
------------------------------------------------------------------------------------
Question # 85       1  2  3  4                   1  2  3  4            0
------------------------------------------------------------------------------------
Question # 86       1  2  3                      1  2  3               0
------------------------------------------------------------------------------------
Question # 87                4                            4            0
------------------------------------------------------------------------------------
Question # 88       1                            1                     0
------------------------------------------------------------------------------------
Question # 89          2                            2                  0
------------------------------------------------------------------------------------
Question # 90       1                            1                     0
------------------------------------------------------------------------------------
Question # 91             3                            3               0
------------------------------------------------------------------------------------
Question # 92       1  2  3  4  5                1  2  3  4  5         0
------------------------------------------------------------------------------------
Question # 93          2                            2                  0
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Question # 94          2                            2                  0
------------------------------------------------------------------------------------
Question # 95       1                            1                     0
------------------------------------------------------------------------------------
Question # 96          2                            2                  0
------------------------------------------------------------------------------------
Question # 97       1  2  3  4                   1  2  3  4            0
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Question # 98       1                            1                     0
------------------------------------------------------------------------------------
Question # 99       1     3                      1     3               0
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Question # 100       1                            1                     0
------------------------------------------------------------------------------------
Question # 101       1                            1                     0
------------------------------------------------------------------------------------
Question # 102          2                            2                  0
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Question # 103          2                            2                  0
------------------------------------------------------------------------------------
Question # 104       1  2        5                1  2        5         0
------------------------------------------------------------------------------------
Question # 105       1  2     4                   1  2     4            0
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Question # 106          2                            2                  0
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Question # 107       1                            1                     0
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Question # 108       1                            1                     0
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Question # 109       1                            1                     0
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Question # 110       1  2  3                      1  2  3               0
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                                                  Total Correct Answer:110
                                                         PASSING SCORE:61%
                                                            YOUR SCORE:100%
                                                           TEST STATUS:Pass

Mock Exam is only a means of measuring your knowledge and skill level
In order to help you further your growth and achievement in the Java Language,
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                                                                Shen Yuan