CS506-Midterm
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Which of these are valid declarations for the main method?
2 / 50
In Java, which of these classes implement the LayoutManager interface?
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If we remove static from main then program __________
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Which of the following is called ' pure abstract class ' ?
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In Java a final class must be sub-classed before it.
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Which of the following statement object is used to execute stored procedures?
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Which of the following package needs to be import while handling files?
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In Java an abstract class cannot be sub-classed
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Which of the following is true about abstract class?
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Java developed in __________
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Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
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HahMap takes key as a/an _________
14 / 50
Which of the following methods are invoked by the AWT to support paint and repaint operations?
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There are _________ types of exceptions in Java
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ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
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An expression tag contains a scripting language expression that is evaluated.
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Which of the following exception belongs to a category of un-checked exception?
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If a super class method is protected then overriding method _________
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To create DataBaseMetaData object we write following line of code
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Border layout divides the area into _______ regions
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Which of the following belongs to a category of checked exception?
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BorderLayout is the default layout manager for a JFrame content pane
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Which of the following is a general purpose container?
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In Java garbage collection is done by_______________
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28 / 50
An abstract class ---------------instantiated.
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The collections API are defined in ______ package?
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Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
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What if the main method is declared as private?
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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).
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The relationship between class and interface is called ________
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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?
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Which of the following stream read/write data in the form of bytes?
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A top level class without any modifier is accessible to
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Which of the following function will be used to register event handler with events generator (button)?
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Aside from the Scanner class, which of the following classes can be used for text-file file input?
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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);
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You can ---------to a network using sockets.
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Which of the following are passed as an argument to the paint ( ) method?
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A serializable class must implement the method(s) _________.
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Which of the following method is used to execute SELECT SQL statements?
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BorderLayout is the default layout manager for a JFrame’s content pane
48 / 50
Aside from the Scanner class, which of the following class/es can be used for text file file input
49 / 50
CREATE, ALTER, DROP are _________ SQL statements.
50 / 50
Which of the following feature provide facility for multiple inheritances:-
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