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Category - Web Technologies

  • Javascript

Convert JSON String into Javascript Object

2 months ago
by Bushan Sirgur
1 min read
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Hey guys in this post, we will discuss converting JSON string into a javascript object Convert Javascript object into a JSON String check here By using JSON.parse() method We can use JSON.parse() method to convert JSON string...

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  • Javascript

Convert Javascript Object into a JSON String

2 months ago
by Bushan Sirgur
1 min read
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Hey guys in this post we will discuss converting javascript object into a JSON string. Convert JSON String into a javascript object check here Using JSON.stringify() method We can use JSON.strigify() method to convert a...

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  • Javascript

Top 20 commonly used Javascript array methods with examples

2 months ago
by Bushan Sirgur
8 min read
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Hey guys in this post, we will discuss the most commonly used array methods and their usage. What is an Array? An array is a special variable, which can hold more than one value at a time. There are many useful built-in...

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  • HTML

HTML Basic Tags Explained with Examples

2 months ago
by Bushan Sirgur
4 min read
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Hey guys in this post we will discuss basic HTML tags and their usage in web development/web design. Basic Tags Tags Description <html></html> It is the main tag, it creates an HTML...

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  • Javascript

Complete Javascript String methods with Examples

3 months ago
by Bushan Sirgur
3 min read
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Hey guys in this post we will discuss String and their methods in javascript. The string is the most commonly used datatype in any programming language. It’s always good to know that the usage, methods, and examples of...

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  • Core Java Programs
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  • Javascript Programs

Given an array of ints, return true if the value 3 appears in the array exactly 3 times, and no 3’s are next to each other.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status haveThree({12,3,4,3,88,3}) true OK haveThree({22,3,3,3,17,3}) false OK haveThree({3,4,3,6,3,7}) true OK Java solution package test; public class Program20...

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  • Core Java Programs
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Given an array of ints, return true if the sum of all the 2’s in the array is exactly 8.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status sum28({10,20,30,40,50,60,2}) false OK sum28({2,10,7,2,2,2}) true OK sum28({5,6,1,2,2,2}) false OK Java solution package test; public class Program19 { public...

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  • Core Java Programs
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Given a string and an int n, return a string made of the first and last ‘ n’ chars from the string. The string length will be at least n.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status nTwice(Hello,2) Helo OK nTwice(Chocolate,3) Choate OK nTwice(java,1) ja OK Java solution package test; public class Program18 { public static void...

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  • Core Java Programs
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  • Javascript Programs

Given an “out” string length 4, such as “<<>>”, and a word, return a new string where the word is in the middle of the out string, e.g. “<>”

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status makeOutWord(<<>>,Yay) <<Yay>> OK makeOutWord([[]],Word) [[Word]] OK makeOutWord([((JAVA))] ((JAVA)) OK Java solution package...

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  • Core Java Programs
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Return true if the given string contains 1 or 3 ‘e’ chars. Otherwise return false.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status stringE(Hello) true OK stringE(Heelele) false OK stringE(Heelle) true OK Java solution package test; public class Program16 { public static void...

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  • Core Java Programs
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Return true if the array contains, somewhere, three increasing adjacent numbers like …. 4, 5, 6, … or 23, 24, 25.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status tripleUp({1,2,3,7,5,9}) true OK tripleUp({1,4,5,6,2}) true OK tripleUp({1,2,4,5}) false OK Java solution package test; public class Program15 { public static...

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  • Core Java Programs
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Pass an int as parameter. Find the sum of the digits in the number and return it.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status sumOfDigits(144) 9 OK sumOfDigits(457) 16 OK sumOfDigits(345) 12 OK Java solution package test; public class Program14 { public static void main(String[]...

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  • Core Java Programs
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Given a string of even length, return the first half. So the string “WooHoo” yields “Woo”.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status firstHalf(HelloThere) Hello OK firstHalf(abcdef) abc OK firstHalf(Word) Wo OK Java solution package test; public class Program13 { public static void...

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  • Core Java Programs
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Given an array of ints, return true if one of the first 4 elements in the array is a 9. The array length will be greater than 4.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status arrayFront9({1,2,9,3,4}) true OK arrayFront9({9,2,3,4,56}) true OK arrayFront9({2,3,4,5}) false OK Java solution package test; public class Program12...

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  • Core Java Programs
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Write a program to generate Fibonacci series of limit number of elements.

3 months ago
by Bushan Sirgur
1 min read
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Following are the test cases Test cases Result Status generateFibSeries(5) {0,1,1,2,3} Ok generateFibSeries(7) {0,1,1,2,3,5,8} Ok generateFibSeries(10) {0,1,1,2,3,5,8,13,21,34} Ok Java solution public class Program11...

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  • Javascript

3 Ways to Create Javascript Functions

3 months ago
by Bushan Sirgur
1 min read
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Hey guys in this post we will discuss the different ways of creating Javascript functions. There are 3 different ways to create javascript functions let’s discuss one by one Three different ways Function...

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  • Javascript

3 Different ways to Copy Objects in Javascript

3 months ago
by Bushan Sirgur
2 min read
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Hey guys in this post we will discuss the different ways of copying objects in javascript. There 3 different ways that we can copy javascript objects let’s discuss them one by one Three Different ways To copy an object in...

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  • Javascript

Arrow function in javascript example

3 months ago
by Bushan Sirgur
2 min read
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Hey guys in this post we will learn about the javascript arrow function and some of the examples. What is an arrow function? Javascript arrow function or arrow function expression is a shorter alternative to the regular...

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  • Javascript

3 Best ways to remove duplicates from array in Javascript

3 months ago
by Bushan Sirgur
2 min read
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Hey guys in post we will discuss the 3 best ways to remove duplicates from array in javascript. so let’s begin By using Set By using Filter By using ForEach Let’s look at the examples one by one By using...

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  • Javascript

Convert javascript object to an Array

3 months ago
by Bushan Sirgur
2 min read
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Hey guys in this article we will discuss how to convert Javascript objects into an array. There are scenarios where we need to convert a javascript object into an array and we can easily achieve that using Object class methods...

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  • Angular 10

Angular 10 Structural directive example

3 months ago
by Bushan Sirgur
3 min read
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Hey guys in this post we will discuss angular structural directive ngFor. This directive will be used to loop through the items or list inside the view template. let’s look at an example. Assume that we have an array of...

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  • Angular 10
  • REST Services

Angular 10 HTTP GET Request Example

3 months ago
by Bushan Sirgur
4 min read
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Hey guys in this post we will discuss how to make HTTP GET requests in Angular 10. We will use Fake REST API to make the GET requests. Here is the API endpoint: This API will give the list of users in JSON format. Below is the...

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  • Core Java Programs
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Given a string, return a new string where the first and last chars have been exchanged

4 months ago
by Bushan Sirgur
1 min read
1 Comment

Test cases Test cases Expected Result frontBack(abcd) dbca OK frontBack(Bee) eeB OK frontBack(MazE) EazM OK Java solution: public class Program10 { public static void main(String[] args)...

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  • Core Java Programs
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Pass an int array and an int and do a search of the second parameter in the first, and return true/false.

4 months ago
by Bushan Sirgur
1 min read
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Test cases Test cases Expected Result searchElement({33,44,21,98,27,94},21) true OK searchElement({1232,432,546,980,984},980) true OK searchElement({3,4,9,87,29},2) false OK Java solution: public class Program9...

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  • Core Java Programs
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Given an array of ‘N’ elements .Return the sum of all array elements

4 months ago
by Bushan Sirgur
1 min read
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Test cases Test cases Expected Result arraySum({5,5,5,5,5}) 25 OK arraySum({1,3,4,7,8}) 23 OK arraySum({100,200,300}) 600 OK Java solution: public class Program8 { public static void main(String[] args) { int a[]...

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  • CSS
  • HTML

Google style login page

4 months ago
by Bushan Sirgur
3 min read
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Hello everyone, today in this post I will show you how to design google style login page with HTML and CSS so let’s begin. index.html <!DOCTYPE html> <html lang="en"> <head> <meta...

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  • Core Java Programs
  • Interview Programs
  • Javascript Programs

Accept a string as parameter. Find out how many consonants present in it.

4 months ago
by Bushan Sirgur
1 min read
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Test cases: Test cases Expected Result countConsonents(instanceof is for references only) –>[18] 18 OK countConsonents(Object Oriented) –>[8] 8 OK countConsonents(Design Patterns88)...

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  • Core Java Programs
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  • Javascript Programs

Pass a string as parameter. Find out how many vowels present in it

4 months ago
by Bushan Sirgur
1 min read
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Test cases: Test cases Expected Result countVowels(instanceif is for references only) 11 OK countVowels(Object Oriented) 6 OK countVowels(Design Patterns) 4 OK Java solution: public class Program6 { public static...

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  • Core Java Programs
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Given two strings, append them together (known as “concatenation”) and return the result.

4 months ago
by Bushan Sirgur
1 min read
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Test cases: Test cases Expected Result stringConcat(Hello,World) Hello World OK stringConcat(Code,ranch) Code ranch OK stringConcat(Web,Application) Web Application OK Java solution: public class Program5 { public...

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  • Core Java Programs
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  • Javascript Programs

Return true if the given non-negative number is a multiple of 3 or a multiple of 5

4 months ago
by Bushan Sirgur
1 min read
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Test cases: Test cases Expected Result or35(15) true OK or35(8) false OK or35(12) true OK Java solution: public class Program4 { public static void main(String[] args)...

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