Java MCQs ( Multiple Choice Questions ) with Answers - Set I
Java MCQ's with Answers
set I
Q1. Java has its origin in
a) C programming language
b) PERRL
c) COBOL
d) Oak programming language ✔
Answer is d) Oak programming language
Explanation : For explanation Join the discussion below
Q2. Java programs are
a) Faster than others
b) Platform independent ✔
c) Not reusable
d) Not scalable
Answer is b) Platform independent
Explanation : For explanation Join the discussion below
Q3. Which one of the following is true for Java
a) Java is object-oriented and interpreted
b) Java is efficient and faster than C
c) Java is the choice of everyone.
d) Java is not robust.
Q4. Java servlets are an efficient and powerful solution for creating _________ for the web.
a) Dynamic content
b) Static content
c) Hardware
d) Both a and b
Q5. The command javac is used to
a) debug a java program
b) compile a java program
c) interpret a java program
d) execute a java program
Q6. Which of the following is not a Java features?
a) Dynamic
b) Architecture Neutral
c) Object-oriented
d) Use of pointers
Q7. Which of the following option leads to the portability and security of Java?
a) Bytecode is executed by JVM
b) The applet makes the Java code secure and portable
c) Use of exception handling
d) Dynamic binding between objects
Q8. Native-protocol pure Java converts _________ into the _________ used by DBMSs directly.
a) JDBC calls, network protocol
b) ODBC class, network protocol
c) ODBC class, user call
d) JDBC calls, user call
Q9. Which is the root class of all AWT events
a) java.awt.ActionEvent
b) java.awt.AWTEvent
c) java.awt.event.AWTEvent
d) java.awt.event.Event
Q10. OOP features are
i) Increasing productivity ii) Reusability
iii) Decreasing maintenance cost iv) High vulnerability
a) i,ii & iv
b) i,ii & iii
c) i, ii & iv
d) none of the above
Q11. _________ is used to find and fix bugs in the Java programs.
a) JVM
b) JDK
c) JDB
d) JRE
Q12. Filters were officially introduced in the Servlet _________ specification.
a) 2.1
b) 2.3
c) 2.2
d) 2.4
Q13. break statement is used to
i) get out of method ii) end a program
iii) get out of a loop iv) get out of the system
a) i & ii
b) i,ii & iv
c) i & iii
d) iii
Q14. Evaluate the following Java expression, if x=3, y=5, and z=10:
++z + y - y + z + x++
a) 24
b) 25
c) 20
d) 23
Q15. Which package contains the Random class?
a) java.util package
b) java.lang package
c) java.awt package
d) java.io package
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