CS506-Midterm
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What if the static modifier is removed from the signature of the main method?
2 / 50
An abstract class --------------- instantiated.
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A top level class without any modifier is accessible to
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A ................defines the way and method of communication between two parties
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The code below draws a line. What color is the line? g.setColor(Color.red.green.yellow.red); g.drawLine(0, 0, 100,100);
6 / 50
Window frame and dialog use ________ as their default layout.
7 / 50
To create DataBaseMetaData object we write following line of code
8 / 50
When recursive method is called to solve a problem, the method actually is capable of solving only the simpler case(s), or base case(s).
9 / 50
Which of the following feature provide facility for multiple inheritances:-
10 / 50
Socket is a --------------communication channel between hosts.
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12 / 50
Aside from the Scanner class, which of the following classes can be used for text-file file input?
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The classes which contain the word _____ are byte oriented streams.
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Window Listener interface contains _______ methods.
15 / 50
CREATE, ALTER, DROP are _________ SQL statements.
16 / 50
You can ---------to a network using sockets.
17 / 50
Which of the following are passed as an argument to the paint ( ) method?
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Which of the following stream read/write data in the form of bytes?
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The relationship between class and interface is called ________
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Which of the following is a general purpose container?
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22 / 50
In Java a final class must be sub-classed before it.
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Which of the following exception belongs to a category of un-checked exception?
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When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.
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Which of the following is called ' pure abstract class ' ?
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Which of the following function will be used to register event handler with events generator (button)?
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In Java an abstract class cannot be sub-classed
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29 / 50
Which of the following statements is true regarding Vectors with no specified base type?
30 / 50
Event source can have --------- listeners registered on it.
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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?
32 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
33 / 50
Map interface is derived from the Collection interface.
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Java program code is compiled into form called
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A serializable class must implement the method(s) _________.
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Which of following can be thrown using the throw statement?
37 / 50
____________is/are the JSP Implicit Object(s).
38 / 50
A top level class may have only the following access modifier.
39 / 50
An expression tag contains a scripting language expression that is evaluated.
40 / 50
What if the main method is declared as private?
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42 / 50
Which of the following package needs to import while interacting with relational database?
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Which of the following is true about abstract class?
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45 / 50
Mouse events can be trapped for ________ GUI component.
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JavaBeans are?
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HahMap takes key as a/an _________
48 / 50
A final class can't be extended.
49 / 50
Static methods only access ___
50 / 50
Which of the following statement object is used to execute stored procedures?
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