CS506-Midterm
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A top level class without any modifier is accessible to
2 / 50
What if the main method is declared as private?
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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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Java developed in __________
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7 / 50
JPanel and Applet use ________ as their default layout.
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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 methods are invoked by the AWT to support paint and repaint operations?
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A serializable class must implement the method(s) _________.
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The relationship between class and interface is called ________
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HahMap takes key as a/an _________
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Exceptions must be handled while handling files otherwise it may lead to _____
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In Java a final class must be sub-classed before it.
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A ___________ defines the way and method of communication between two parties.
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In Java an abstract class cannot be sub-classed
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The classes which contain the word _____ are byte oriented streams.
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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 these are valid declarations for the main method?
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To create DataBaseMetaData object we write following line of code
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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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If we remove static from main then program __________
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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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Window Listener interface contains _______ methods.
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Which of the following method is used to execute SELECT SQL statements?
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Which of the following package needs to import while interacting with relational database?
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Which of the following is used for inheritance in java?
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Which of the following are passed as an argument to the paint ( ) method?
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Which of the following syntax is used to attach an input stream to console?
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A final class can't be extended.
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JavaBeans are?
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Which of the following stream is a filter stream?
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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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Which of following can be thrown using the throw statement?
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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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If a super class method is protected then overriding method _________
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Which of the following statements is true regarding Vectors with no specified base type?
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Which of the following is true about AWT and SWING components?
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An abstract class --------------- instantiated.
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ServletConfig defines a set of methods that a servlet uses to communicate with its servlet container.
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A ................defines the way and method of communication between two parties
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A top level class may have only the following access modifier.
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Event source can have --------- listeners registered on it.
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Which of the following is true about abstract class?
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49 / 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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All the exceptions and errors in java are inherited from _____ class.
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