Test Your Programming Skills with Safcode!

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Here is all important interview / exams questions.
Student doing practice apptitude test on safcode platform.
Instruction: "Total Number of Questions: 20
Each question carry 10 mark , no negative marking"

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Quiz Start

1. Identify the shortest manner in which you can decorate a Java annotation prefix @
suffix #
prefix #
suflix @

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2. Who is known as father of Java Programming Language? Blaise Pascal
Charles Babbage
Rasmus Lerdof
James Gosling

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3. Which of the following area in the memory stores object references, method parameters, and its local variables? Accumulator
heap
stack
Register

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4. Which of the following annotations is used as custom annotation at runtime? @Retention
interface
reference
@Documented

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5. What are default methods also known as? a. Virtual extension methods b. Defender methods c. Extension methods B and C
Only B
Only A
A and B

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6. What is the full form of JVM ? ava Very Large Machine
Java Virtual Machine
None of them
Java Verified Machine

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7. Which of the following methods cannot have a body in Java? final
native
static
local

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8. Which one is true about a constructor ? A constructor may be declared private
A constructor is used to create objects.
A constructor must have the same name as the class it is declared within.
All of the above

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9. Time-zone based date and time information of a ZonedDateTime object can be accessed using _______ method. instant()
normalized()
getValue()
of()

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10. In Java code, the line that begins with /* and ends with */ is known as? Multiline comment
Both A & B
Single line comment
None of the above

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