Java Programming Quiz

Who invented Java Programming?

• Guido van Rossum

• James Gosling

• Dennis Ritchie

• Bjarne Stroustrup

Which statement is true about Java?

• Java is a sequence-dependent programming language

• Java is a code dependent programming language

• Java is a platform-dependent programming language

• Java is a platform-independent programming language

3. Which component is used to compile, debug and execute the java programs?

• a) jdk

• b)jvm

• c)jre

• d)jit

Which of these cannot be used for a variable name in Java?

identifier & keyword
b) identifier
c) keyword
d) none of the mentioned

• a)identifier & keyword

• b) identifier

• c) keyword

• d) none of the mentioned

What is the default value of a boolean variable in Java?

• d) null

• c) 0

• b) false

• a) true

Which of the following is not a valid Java identifier?

• d) myVariable

• c) 1stVariable

• b) $myVariable

• a) _myVariable

Which keyword is used to create a subclass in Java?

• d) super

• a) extends

• b) implements

• c) inherits

What is the main purpose of the Java Virtual Machine (JVM)?

• a) To compile Java code

• b) To execute Java bytecode

• c) To provide a graphical user interface

• d) To manage memory allocation

Which of the following is a feature of Java?

• a) Automatic memory management

• d) Pointers

• b) Multiple inheritance through classes

• c) Operator overloading

What is the size of an int variable in Java?

• a) 8 bits

• b) 16 bits

• c) 32 bits

• d) 64 bits