CS506-Midterm
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Which of the following feature provide facility for multiple inheritances:-
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____________is/are the JSP Implicit Object(s).
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BorderLayout is the default layout manager for a JFrame’s content pane
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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 classes which contain the word _____ are byte oriented streams.
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A serializable class must implement the method(s) _________.
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Aside from the Scanner class, which of the following class/es can be used for text file file input
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Exceptions must be handled while handling files otherwise it may lead to _____
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Static methods only access ___
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An abstract class ---------------instantiated.
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HahMap takes key as a/an _________
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Which of the following is true about AWT and SWING components?
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Which of these are valid declarations for the main method?
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Which of the following is true about abstract class?
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Java program code is compiled into form called
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Which of the following belongs to a category of checked exception?
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There are _________ types of exceptions in Java
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A collection can store..........
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To create DataBaseMetaData object we write following line of code
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Which of the following statement object is used to execute stored procedures?
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Which of the following is used for inheritance in java?
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Which of the following is called ' pure abstract class ' ?
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Which of the following statements is true regarding Vectors with no specified base type?
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In Java a final class must be sub-classed before it.
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Overloading is _______ whereas overriding is _____
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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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Map interface is derived from the Collection interface.
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CREATE, ALTER, DROP are _________ SQL statements.
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In Java, which of these classes implement the LayoutManager interface?
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Socket is a --------------communication channel between hosts.
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If a super class method is protected then overriding method _________
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Which of the following function will be used to register event handler with events generator (button)?
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Which of the following stream is a filter stream?
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All the exceptions and errors in java are inherited from _____ class.
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Which of the following methods are invoked by the AWT to support paint and repaint operations?
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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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Event source can have --------- listeners registered on it.
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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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Java developed in __________
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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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47 / 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);
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What if the static modifier is removed from the signature of the main method?
49 / 50
A top level class may have only the following access modifier.
50 / 50
Given a one dimensional array arr, what is the correct way of getting the number of elements in arr
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