Hello Diploma Students in this article we have provided 22412 Java Programming Mcq Questions with Answers. In this Java Programming Objective Type Questions and Answers We have Selected 30 Important Questions from Previous Year Papers and Made A possible Set Of Questions which can Help Students in Preparation for Their Exams.
This Java Programming Mcq Pdf with Answers Is Ideal for Candidates who are in 2nd Year of Diploma in Computer Engineering By Referring this Java Programming Mcq Question Bank Diploma in Computer Engineering Students Can Practice for their Upcoming Exams. We Have Also Provided java programming mcq pdf Link at the end of the Quiz You can Download it for Future Reference.
1) Which constraint must be considered at the time of variable declaration?Â
A] It should not be keyword
B] It must not begin with digit
C] White space not allowed
D] All of above
Correct!
Wrong!
2) The comparisons can be done with the help of ____________ operator.Â
A] Relational
B] Mathematical
C] Arithmetic
D] Assignment
Correct!
Wrong!
3) Which of the following is not an assignment operator?Â
A] +=
B] = =
C] %=
D] =
Correct!
Wrong!
4)Â _____________ _ operator is used to construct conditional expressions.Â
A] Dot(.)
B] instanceof
C] Ternary(?:)
D] None
Correct!
Wrong!
5) Which statement is used to terminate the loop early?Â
A] terminate
B] continue
C] skip
D] break
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Wrong!
6) Which statement is used to skip the loop and continue with the next iteration?Â
A] continue
B] terminate
C] skip
D] break
Correct!
Wrong!
7)Â Which of the following classes in the Java.io package defines a method to delete a file.Â
A) Stack
B) File
C) String
D) Vector
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Wrong!
8) For a valid file object reference, we can create a new file using the following classes defined in the Java.io package. i) FileOutputStream ii) RandomAccessFile iii) DataInput
A) i and ii only
B) ii and iii only
C) i and iii only
D) All i, ii and iii
Correct!
Wrong!
9) The Date class includes within ………………….. package.
A) java.io
B) java.awt
C) java.net
D) java.util
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Wrong!
10) Which of the following classes are included in the java.awt package. i) Font ii) Frame iii) Float iv) File
A) i and ii only
B) ii and iii only
C) iii and iv only
D) i and iv only
Correct!
Wrong!
11) Which of the following sub-classes are included in object class in Java. i) Dictionary ii) Date iii) Label iv) ThreadÂ
A) i, ii and iii only
B) ii, iii and iv only
C) i, iii and iv only
D) i, ii and iv only
Correct!
Wrong!
12) An …………………. is an incomplete class that requires further specification.Â
A) abstract class
B) final class
C) static class
D) super class
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Wrong!
13) The ……………………. statement is passed a single parameter, which is a reference to the exception object thrown.Â
A) throw
B) catch
C) finally
D) try
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14) Every try statement should be followed by at least one catch statement; otherwise …………………. will occur.Â
A) no execution
B) null
C) zero
D) compilation error
Correct!
Wrong!
15) If an exception occurs within the …………………….. block, the appropriate exception-handler that is associated with the try block handles the exception.Â
A) throw
B) catch
C) finally
D) try
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Wrong!
16) Exception classes are available in the ……………………package.
A) java.lang
B) java.awt
C) java.io
D) java.applet
Correct!
Wrong!
17) …………………….. is caused by general I/O failures, such as inability to read from file.
A) I/O failure
B) I/O exception
C) I/O inability
D) I/O distortion
Correct!
Wrong!
18) Which of the following methods are not included in the OutputStream class.Â
A) write( )
B) skip( )
C) close( )
D) flush( )
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Wrong!
19) The class DataInputStream extends …………………….. and implements the interface DataInput.
A) FileInputStream
B) SequenceInputStream
C) FilterInputStream
D) InputStream
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20) The method …………………., force writes whenever the data accumulates in the output stream.
A) write( )
B) flush( )
C) read( )
D) reset( )
Correct!
Wrong!
21) The DataInputStream and DataOutputStream classes are …………………….. streams that allow the reading and writing of Java primitive data types.
A) file
B) sequence
C) object
D) filter
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22) The ……………………… class provides the capacity to read primitive data types from an input stream.Â
A) pushbackInputStream
B) DataInputStream
C) BufferedInputStream
D) PipeInputStream
Correct!
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23) DataInput isÂ
A) an abstract class defined in java.io
B) a class we can use to read primitive data types
C) an interface that defines methods to open files
D) an interface that defines methods to read primitives data types
Correct!
Wrong!
24) Which exception is thrown by the read( ) method of InputStream class.Â
A) Exception
B) IOException
C) ReadException
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Wrong!
25) Java uses a keyword ………………… to preface a block of code that is likely to cause an error condition and ‘throw’ an exception.Â
A) throw
B) catch
C) finally
D) try
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Wrong!
26) When an exception in a try block is generated, Java treats the multiple ………………. statements like cases in switch statements.Â
A) throw
B) catch
C) finally
D) try
Correct!
Wrong!
27) An …………………. is an incomplete class that requires further specification.Â
A) abstract class
B) final class
C) static class
D) super class
Correct!
Wrong!
28) A class can be declared as ………………………. if you do not want the class to be subclassed.Â
A) abstract
B) final
C) static
D) super
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Wrong!
29) Java __________________.Â
a) Only compiles
b) Only interprets
c) Compiles and then interprets
d) Interprets & then compile
Correct!
Wrong!
30) JVM stands for __________________Â
a) Java Virtual Method
b) Java Virtual Machine
c)Java Variable & Methods
d) Java Versatile Machine
Correct!
Wrong!
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Java Programming Objective Type Questions and Answers
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