Java Programming Quiz

Which of the following ensures memory safety and prevents pointer manipulation in Java?

• Garbage Collection

• JVM Loader

• Preprocessor

• Bytecode Compiler

Which statement is TRUE about Java’s platform independence?

• Java compiler generates native machine code

• Java programs depend on OS

• Bytecode is executed by JVM on any platform

• Java is interpreted line by line

Which of the following identifiers is invalid in Java?

• $student

• _count

• class

• totalValue

Which naming convention follows Java standards for variables?

• EmployeeName

• employee_name

• employeeName

• Employee_name

What will be the output of System.out.println(10/3);?

• 3.3333

• 3

• 3.0

• Compile Error

Which primitive type takes the least memory?

• byte

• short

• int

• char

Which of these is a valid floating literal in Java?

• 3.14f

• 3,14

• .14d

• 14.

What does the literal 0b1010 represent?

• Octal

• Binary

• Decimal

• Hexadecimal

What will x = 5; System.out.println(x++ + ++x); print?

• 10

• 12

• 11

• 13

Which operator has the highest precedence?

• &&

• *

• ==

• +