Java Coding Challenges
Java coding challenges - find palindrome number, sort 1 million integers in Big O(1) time, check number is prime, anagram buckets, reverse a string, check Armstrong number, check factorial of a number, pangram sentence.
pangram checker in java
Carvia Tech | December 26, 2019 | 2 min read | 1,945 views | Java Coding Challenges
A pangram is a sentence containing every letter in the English Alphabet (a-z). Pangram example: The quick brown fox jumps over the lazy dog
Read ArticleJava program to check if two strings are anagrams
Carvia Tech | December 25, 2019 | 2 min read | 884 views | Java Coding Challenges
Two strings are called anagrams if they contain same set of characters but in different order. Here we will evaluate anagrams using a Java Program
Read ArticleCalculate factorial of a number in Java using recursion
Carvia Tech | December 25, 2019 | 2 min read | 146 views | Java Coding Challenges
We will use recursion to calculate factorial of a number in Java along with a Java 8 stream approach
Read ArticleCheck a number is Prime: Java Coding Problem
Carvia Tech | October 30, 2019 | 3 min read | 403 views | Java Coding Challenges
In this article we will learn if a given number is prime or not. The solution presented here may not be best optimized, but it should be sufficient from interview point of view.
Read ArticleCheck if the given string is palindrome
Carvia Tech | September 09, 2019 | 2 min read | 231 views | Java Coding Challenges
In this article we will write java code to check if the given input string is palindrome or not.
Read ArticleHow to check if the given number is palindrome in Java
Carvia Tech | September 09, 2019 | 2 min read | 787 views | Java Coding Challenges
A palindrome is a word, number, or other sequence of characters which reads the same backward as forward, such as madam, racecar or 454.
Read ArticleHow to reverse a number in Java
Carvia Tech | September 07, 2019 | 1 min read | 692 views | Java Coding Challenges
This is a common SDET interview questions where interviewer asks for reversing a number using any language.
Read ArticleGiven a collection of 1 million integers, All ranging between 1 to 9, how would you sort them in Big O(n) time
Carvia Tech | August 03, 2019 | 2 min read | 669 views | Java Coding Challenges
This is a typical Integer Sorting problem with a constraint that the number range to sort is very limited in spite 1 million total entries. Integer Sorting with limited range is achieved efficiently with Bucket Sorting.
Read ArticleFind two numbers of which the product is maximum in an array
Carvia Tech | May 27, 2019 | 1 min read | 414 views | Java Coding Challenges
We can easily find two number in an array whose product is maximum by sorting the input integer array in descending order first and then multiplying the first two numbers.
Read ArticleCreate anagram buckets from a given input array of words
Carvia Tech | May 18, 2019 | 2 min read | 115 views | Java Coding Challenges
Here we get an input array of words that contains anagram string, and we need to create buckets for all the anagrams words.
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