JAVA: Level-1

Choose from below non-mandatory (not MUST) component of a Java Program.

• Class name

• main method

• print method

• All of the above

Choose correct signature of main method.

• public static int main(String[] args)

• private static void main(String[] args)

• public static void main(int[] args)

• public static void main(String[] args)

In Java Array, index starts from

• 1

• 0

• -1

• -2

What will be output of following code -

public static void main(String[] args) {

System.out.print("Hello");

System.out.println("How are you?");

}

• Error

• Hello

  How are you?

• HelloHow are you?

• How are you?Hello

In Java, which of the following Loop executes at least once -

• for Loop

• while Loop

• do...while Loop

• None of the above

What will be the output of following code -

public static void main(String[] args) {

byte b = 135;

System.out.println(b * 2);

}

• 135

• 270

• 135 * 2

• Compilation Error

to assign a value as "2.5", which data type I can use

• int

• boolean

• char

• float

what will be the output of following program -

public static void main(String[] args) {

char c = 65;

System.out.println(c);

}

• A

• 65

• Compilation Error

• c

Which of the following is not a valid comparison operator -

• <

• >

• !=

• =

In the following Java program how many times "Hello!" will get printed -

public static void main(String[] args) {

for(int i=0; i <=5; i++) {

System.out.println("Hello!");

}

}

• 4

• 5

• 6

• 7