Implement custom Array List in Java
Custom Dynamic Array class in Java
Category: Interview Question
Microservices Interview Questions in 2021
Microservices Architecture is very common, in-demand as they are scalable. So companies ask microservices interview questions to check your understanding of them. Here are the top interview questions for microservices. … Read More
Max Area of Island | Leetcode 695
You are given an m x n binary matrix grid. An island is a group of 1‘s (representing land) connected 4-directionally (horizontal or vertical.) You may assume all four edges of the grid are surrounded by … Read More
Leetcode – 164. Maximum Gap
Given an integer array nums, return the maximum difference between two successive elements in their sorted form. If the array contains less than two elements, return 0. You must write an algorithm that … Read More
Prime Game – Solution – Java | Techgig – CodeGladiator 2021
Prime Game Rax, a school student, was bored at home in the pandemic. He wanted to play but there was no one to play with. He was doing some mathematics … Read More
Techgig – Virus Outbreak – Solution – Java
Virus Outbreak (100 Marks) In the Martian land faraway, a new virus has evolved and is attacking the individuals at a fast pace. The scientists have figured out the virus composition, … Read More
Git commands from Java | Java code to run git bash commands
Git is the version control utility used by a developer. Usually, we perform these commands using terminal or command prompt, but when we need to execute these commands in Java … Read More
Convert Character Array to String in Java
Using StringBuilder class StringBuilder class in Java can append character to it’s object. After appending all the characters can be converted to String object using toString() method.
Print binary tree in zigzag order | 103. Binary Tree Zigzag Level Order Traversal Leetcode
Write a program to print ZigZag order traversal of a binary tree. For the below binary tree the zigzag order traversal will be 1 3 2 4 5 6 7. Given … Read More
14. Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string “”. Example 1: Input: strs = … Read More