Requirements gathering Does the array allow duplicates? If duplicates are allowed, then do you need to report duplicates? For example, in …… Read more ›...
Java-Success.com 800+ Java & Big Data Interview Q&As
Blog Archives
08: Write code to add, subtract, multiply, and divide given numbers?
A trivial coding example (i.e. a Calculator) tackled using the following programming paradigms in Java not only to perform well in …
…
17 Java Coding Tips for job interviews and pre-interview coding tests
Java coding questions are very common in job interviews. Good coding skills are essentials for passing the peer code reviews with … … Read more ›...
Fibonacci number
Q1. Can you write a function to determine the nth Fibonacci number? The Fibonacci numbers under 2000 are : 0, 1, … … Read more ›...
Fibonacci number with caching and Java 8 FP
Complimenting Fibonacci number coding – iterative and recursive approach, we can improve performance by caching. If you run this Output…… Read more ›...
Find 2 numbers from an array that add up to the target
Q1. Given an array of integers, find two numbers such that they add up to a specific target number? For example,… … Read more ›...
Find the first non repeated character in a given string input
Pseudocode 1) Precodnition check for null or empty input. 2) Loop throught the input string, and store each “character” as a … … Read more ›...
Finding the missing numbers Java example
Q. Can you write code to identify missing numbers in a given array of numbers?
Solution 1: Assuming that the given …
…
Finding the perfect number
Q. Can you write code to output the perfect number between a given range? Definition: A perfect number is a positive … … Read more ›...
Fizz Buzz
Q1. Write a program that prints numbers from 1 to 30, but for multiples of three print “Fizz” instead of … … Read more ›...
Generating random numbers in Java
Q1. Can you write Java code to generate random numbers between a given range? A1. E.g. 0 and 9 or 5 … … Read more ›...
Huffman coding in Java
This is a very decent coding exercise to sharpen your coding skills. Nicely explained with diagrams and complete code. Q1. What … … Read more ›...
Iteration Vs Recursion
Q1. Can you write a sample code that will count the number of “A”s in a given text “AAA …
…
Top
