CS506-Midterm
1 / 50
If we remove static from main then program __________
2 / 50
Map interface is derived from the Collection interface.
3 / 50
HahMap takes key as a/an _________
4 / 50
All the exceptions and errors in java are inherited from _____ class.
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Exceptions must be handled while handling files otherwise it may lead to____?
6 / 50
Which of the following is used for inheritance in java?
7 / 50
Which of the following method is used to execute SELECT SQL statements?
8 / 50
To create DataBaseMetaData object we write following line of code
9 / 50
A ___________ defines the way and method of communication between two parties.
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Socket is a --------------communication channel between hosts.
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The relationship between class and interface is called ________
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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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A top level class without any modifier is accessible to
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In Java a final class must be sub-classed before it.
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Which of the following stream is a filter stream?
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An abstract class --------------- instantiated.
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Which of the following syntax is used to attach an input stream to console?
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CREATE, ALTER, DROP are _________ SQL statements.
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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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You can ---------to a network using sockets.
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An expression tag contains a scripting language expression that is evaluated.
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Overloading is _______ whereas overriding is _____
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Exceptions must be handled while handling files otherwise it may lead 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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Which of these are valid declarations for the main method?
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Which of the following package needs to be import while handling files?
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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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The classes which contain the word _____ are byte oriented streams.
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If a super class method is protected then overriding method _________
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Java developed in __________
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JPanel and Applet use ________ as their default layout.
34 / 50
Which of the following method is used to execute INSERT, UPDATE and Delete SQL statements?
35 / 50
JavaBeans are?
36 / 50
Which of the following belongs to a category of checked exception?
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Which of the following exception belongs to a category of un-checked exception?
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39 / 50
There are _________ types of exceptions in Java
40 / 50
DSN stands for _________
41 / 50
In Java, which of these classes implement the LayoutManager interface?
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Based on functionality, the streams can be categorized as________
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A serializable class must implement the method(s) _________.
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____________is/are the JSP Implicit Object(s).
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What if the main method is declared as private?
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50 / 50
A final class can't be extended.
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