ByVed Maurya
Updated
let keyword was introduced in the ES6. Main difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped to the immediate enclosing block denoted by { } (hence the block scope). The reason why let keyword was…
ByVed Maurya
Updated
Reversing an array, number, string and word is very important for interview point of view for all level of expertise. Beginner and Experienced both are asked this question again and again in interview. I will explain each one by one with working code and running it as screenshot. Problem 1…
ByVed Maurya
Updated
A string prefix is a character(s) at the beginning of a string. For Example: in apple, app or ap or apps etc are prefix Problem Find the common longest prefix for strings apple, apps and appster Approach Sort all the string in alphabetical order. Find the small string Loop through…
ByVed Maurya
Updated
If you are developer then you must know that looping array is a common code practice and frequently used in code. Every web developers must be expert in different kind of the loop through all the entries in an array. Below are some most used code practice for looping arrays….
ByVed Maurya
Updated
As arraylist can contains duplicates element, so sometime there would be some requirement to remove the duplicate element from the list. For Example: { 10, 12, 23, 10, 2, 21, 78, 90, 12 } after removal it should like { 10, 12, 23, 2, 21, 78, 90 } We would…
ByVed Maurya
Updated
We will draw half pyramids, inverted pyramids, full pyramids, inverted full pyramids, Pascal’s triangle, and Floyd’s triangle in Java Programming. Half Pyramid of * ** ** * ** * * ** * * * * Code Half Pyramid of Numbers 1 1 2 1 2 3 1 2 3 4…
ByVed Maurya
Updated
A number that can divide by own or one only. For Example: 13, can be dived by only 1 and 13 only. Other prime numbers are 2, 3, 5, 7 , 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, … 947,…
ByVed Maurya
Updated
If you are private professional or working in a government organization. sometime you would have think that private job is better or the goverment job is better ? Goverment employee always think about the more money in a private organization. Vice-versa Private guys always think that Goverment job is without…
ByVed Maurya
Updated
It is now considered that the post covid 19 will have a recession in the industry, so many startups and other companies are going to be impacted result in a job loss. Below are few tips how one can survive after covid-19. 1. Remote Work If your nature of work…
ByVed Maurya
Updated
Find out each character in a word. For Example: In Programming each character count is p=1 a=1 r=2 g=2 i=1 m=2 n=1 o=1 Problem Write a java code that will print each character and their count. Code
ByVed Maurya
Updated
Armstrong number is a number that is equal to the sum of cubes of its digits. For example 0, 1, 153, 370, 371 and 407 are the Armstrong numbers. let take an example of the armstrong number 153. Sum of the cube of each digit is equal to the same…
ByVed Maurya
Updated
A factorial of a positive integer n, denoted by n!, is the product of all positive integers less than or equal to n Let take an example of factorial of 5 Problem Write a java code for factorial. Code Run Code