quiz 2nd/3rd year

What is the purpose of the `_init_` method in a Python class?

• It is used to initialize the attributes of an object
• It is used to delete an object
• It is used to create a new object
• It is used to modify an object

Arrays in Java are dynamically allocated using the . . . . operator.

• create

• dynamic

• arrayList

• new

An Array in Java is a collection of elements of ___ data type.

• Same

• Different

Which of the following is correct about features of JavaScript?

• It can not Handling dates and time.

• JavaScript is a object-based scripting language.

• JavaScript is not interpreter based scripting language.

• All of the above

public class Main {

public static void main(String args[]) {

int arr[][] = new int[4][];

arr[0] = new int[1];

arr[1] = new int[2];

arr[2] = new int[3];

arr[3] = new int[4];

int i, j, k = 0;

for (i = 0; i < 4; i++) {

for (j = 0; j < i + 1; j++) {

arr[i][j] = k;

k++;

}

}

for (i = 0; i < 4; i++) {

for (j = 0; j < i + 1; j++) {

System.out.print(" " + arr[i][j]);

k++;

}

System.out.println();

}

}

}

• Compiler Error

• 0

  1 2

  3 4 5

  6 7 8 9

• 0

  0 0

  0 0 0

  0 0 0 0

• 9

  7 8

  4 5 6

  0 1 2 3

what is the output of this question?

class Test1 {

public

static void main(String[] args)

{

int x = 20;

System.out.println(x);

}

static

{

int x = 10;

System.out.print(x + " ");

}

}

• 10 20

• 20 10

• 10 10

• 20 20

Predict the output?

public class Main {

public static void main(String args[]) {

int arr[] = {10, 20, 30, 40, 50};

for(int i=0; i < arr.length; i++)

{

System.out.print(" " + arr[i]);

}

}

}

• 10 20 30 40 50

• Compiler Error

• 10 20 30 40

Choose the correct JavaScript syntax to change the content of the following HTML code.

• document.getElement (“WadJava").innerHTML = "I am a WadJava";

• document.getElementById (“WadJava").innerHTML = "I am a WadJava";

• document.getId (“WadJava") = "I am a WadJava";

• document.getElementById (“WadJava").innerHTML = I am a WadJava;

What does the `lambda` keyword represent in Python?

• A small anonymous function
• A special method
• A type of loop
• A data type

Which of the following is the correct way of importing an entire package ‘pkg’?

• import pkg.

• Import pkg.

• import pkg.*

• Import pkg.*