IdiotsDiary

12/02/2022

Important concept of and in .
Read and follow in medium for articles on javascript.

Collections of Data

10/02/2022

Learn amazing tips to perform Math operation quickly in JS

Easily play with numbers in JS

09/02/2022

Do you day to day task quickly with some useful built-in methods in JS.

Quickly perform you day to day jobs

08/02/2022

https://medium.com//string-in-js-6a410990719

Everything you want to know about String

07/02/2022

Avoid most of your mistakes while you code with
Small but must read article in

Everything about Boolean values in JS

07/02/2022

Started a new series for JS

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JS Building Blocks | Primitive Data Types

04/07/2020

What is the output of this question?

class Test2 {
public

static void main(String[] args)

{

int arr[][] = { { 11, 22 }, { 33, 44, 55 } };

for (int i = 0; i < 2; i++) {

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

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

System.out.println();

}

}
}

Option
A) 11 22
33 44 55
😎 11 22
33 44
C) Error
D) Exception



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04/07/2020

Question 1. What is the output of this question

class Test1 {
public

static void main(String[] args)

{

int arr[] = { 11, 22, 33 };

System.out.print(arr[-2]);

}
}
Option
A) 11 33
😎 Error
C) exception
D) 11 -33



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03/07/2020

What does the expression float a = 35 / 0 return?

A) 0
😎 Not a Number
C) Infinity
D) java.lang.ArithmeticException: / by zero



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03/07/2020

var a = 5;
var b = "5";

alert(a === b);

What output will be prompt in the Popup?

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03/07/2020

What will be the output of the following code?

public class Test
{
int num = 10;
public void test(int num) { this.num = num * 5; }
public void print() { System.out.println(num); }

public static void main(String[] args)
{
Test obj = new Test();
obj.test(50);
obj.print();
}
}

A) 10
😎 50
C) 250
D) 2500