Computer Programming (Mid-term Exam)

Which of these is used to start a single-line comment in Java?

• #

• //

  /*

Which of these is not a valid data type in Java?

• byte

• int

• string

• float

What is the correct way to declare a variable that stores a whole number?

• int num;

• whole num;

• double num;

• number num;

Which of the following will correctly output 10Java?

• System.out.println(10 + Java);

• System.out.println(10 + "Java");

• System.out.println(Java + 10);

• System.out.print(10 Java);

What will be the result of System.out.println(2 + 3 * 4);?

• 20

• 14

• 24

• 10

Which of the following is used to store a single character?

• char

• String

• boolean

• int

Java programs are compiled to an intermediate form called:

• Source code

• Assembly

• Bytecode

• Machine code

What is the result of System.out.println("5" + 3);?

• 8

• 53

• 5 + 3

• Error

Which of the following is a reserved keyword in Java?

• Name

• public

• method

• output

Which symbol is used for assignment in Java?

• ==

• :=

• =

• =>

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