Java Programming Quizz-GX

Which of the following is a comment in the Java language?

• / comment /

• /* comment */

• / comment */

• <-- comment -->

Which of the following is the correct main() method signature in Java?

• public static void main (String [] args)

• public static void Main (String [] args)

• public static void main (string [] args)

• public static void main (String args)

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

• int 1myInteger = 0;

• int int = 0;

• Int my Integer = 0;

• int myInteger = 0;

Which Java data type is used to store 64-bit floating-point numbers?

• int

• long

• float

• double

What is the problem with this code?

Line 1: String myName = "Mary Jacobson";

Line 2: System.out.println ("My name is " + myname);

• Line 2: should be System.out.println ("My name is myName");

• Line 2: should be System.out.println ("My name is " + myName);

• Line 2: should be System.out.display("My name is " + myname);

• There is no problem with the code

What is pseudocode?

• A simple java-like programming language

• Statements in plain English

• A control structure used in Java

• A java class

What will be the output?

• 24

• 32

• 23

• 32

Which example shows the correct syntax for a while loop?

• 
• 
• 

If the value of inputtedNum is 6, then what is the output of the following code?

• <no output>

• The sun will shine bright

• The moon will glow bright

• Error

Which control flow statement is represented by a diamond shape in a flowchart diagram?

• while

• if

• do while

• none