JAVA control Structure

Which of the following is a selection statement in Java?

• for

• switch

• while

• do-while

What will be the output of the following code? int x = 5; if (x > 2) System.out.println("A"); else System.out.println("B"); System.out.println("C");

• A C

• B C

• A

• C

Which loop executes at least once, regardless of the condition?

• while

• for

• do-while

• switch

The statement continue; inside a loop:

• Terminates the loop immediately

• Skips the rest of the loop body and jumps to the next iteration

• Exits the program

• None of the above

What will be the output of the following code? for (int i = 1; i <= 3; i++) { if (i == 2) break; System.out.print(i + " "); }

• 1 2 3

• 1

• 1 2

• 2 3

Which is the correct way to read an integer from console using Scanner?

• int x = Scanner.nextInt();

• Scanner sc = new Scanner(System.in); int x = sc.nextInt();

• sc.nextInt(); Scanner sc = new Scanner(System.in);

• None of these

In Java, System.out.println() is used to:

• Read data from console

• Print data to console followed by a newline

• Print data without newline

• None of the above

What will be the output? int sum = 0; for (int i = 1; i <= 3; i++) { if (i == 2) continue; sum += i; } System.out.println(sum);

• 6

• 3

• 4

• 5

Which statement is used to terminate the current method and return to the caller?

• break

• return

• continue

• exit

The default case in a switch statement is used for:

• Handling the first case

• Executing when no other case matches

• Handling runtime errors

• None of the above