CS506-Midterm
1 / 50
An abstract class --------------- instantiated.
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Which of the following is called ' pure abstract class ' ?
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The collections API are defined in ______ package?
4 / 50
CREATE, ALTER, DROP are _________ SQL statements.
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Which of the following exception belongs to a category of un-checked exception?
6 / 50
Which of these are valid declarations for the main method?
7 / 50
BorderLayout is the default layout manager for a JFrame’s content pane
8 / 50
A top level class without any modifier is accessible to
9 / 50
The relationship between class and interface is called ________
10 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
11 / 50
JPanel and Applet use ________ as their default layout.
12 / 50
All the exceptions and errors in java are inherited from _____ class.
13 / 50
What if the static modifier is removed from the signature of the main method?
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Which of the following package needs to be import while handling files?
15 / 50
An abstract class ---------------instantiated.
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Which of the following statement object is used to execute stored procedures?
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If a super class method is protected then overriding method _________
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JavaBeans are?
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If we remove String array from main then program____________
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Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
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Which of the following method is used to execute SELECT SQL statements?
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Which of the following syntax is used to attach an input stream to console?
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You want a class to have access to members of another class in the same package. Which is the most restrictive access that accomplishes this objective?
27 / 50
In Java a final class must be sub-classed before it.
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Which of the following belongs to a category of checked exception?
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The classes which contain the word _____ are byte oriented streams.
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In Java an abstract class cannot be sub-classed
32 / 50
To create DataBaseMetaData object we write following line of code
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Based on functionality, the streams can be categorized as________
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HahMap takes key as a/an _________
35 / 50
A top level class may have only the following access modifier.
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37 / 50
The code below draws a line. What color is the line? g.setColor(Color.red.green.yellow.red); g.drawLine(0, 0, 100,100);
38 / 50
Which of the following stream is a filter stream?
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41 / 50
Exceptions must be handled while handling files otherwise it may lead to _____
42 / 50
A serializable class must implement the method(s)............
43 / 50
When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
44 / 50
Which of the following are passed as an argument to the paint ( ) method?
45 / 50
Window frame and dialog use ________ as their default layout.
46 / 50
Which of the following is a general purpose container?
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Border layout divides the area into _______ regions
48 / 50
In Java, which of these classes implement the LayoutManager interface?
49 / 50
There are _________ types of exceptions in Java
50 / 50
An expression tag contains a scripting language expression that is evaluated.
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