Quiz 1

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What is the size of an (int) in Java?

• 4 bytes
• 8 bytes
• 2 bytes
• Nothing

Which of the following is a valid variable declaration in Java?

• int 1variable;
• float myFloat = 5.6;
• char 'a';
• string name = "John";

What is the output of the following code snippet?

• 1
• 0
• 10
• 9

Which of the following is a valid variable name in Java?

• -myVar
• 3times
• my_var
• float

Which loop construct in Java is best suited when the number of iterations is unknown?

• for loop
• while loop
• do-while loop
• none

Which loop construct guarantees that the loop body is executed at least once?

• for loop
• while loop
• do-while loop
• continue statement

What the output of the following code?

• 100
• Compile error
• 102
• 101

Which of the following operator has more precedence?

• ()
• ++
• *
• >=