I have written a lot of java interview questions and this is index posts for all java interview questions. I will keep adding more interview questions to this post. Table of ContentsCore JavaCore java interview …
This is the index post for Core Java tutorial for beginners as well as for experienced programmer. I have written Core Java tutorial from basic to advanced topics.It will definitely help you learn Java in …
In this post, we will see about find command in linux. Find is an important and one of most widely used command in Unix and Linux operating systems. It is used to search and locate …
In this post, we will see how to create your own custom BlockingQueue. This is one of the most asked java interview questions. You need to implement your own BlockingQueue. This question helps interviewer to …
In this post, we will see how to find peak element in the array. Problem Given an array of integers. find the peak element in the array. Peak Element is the element of the array …
In this post, we will see how to count number of 1’s in sorted binary array. Problem Print number of 1’s in a given sorted Binary Array. For eg:- int arr = {0,0,0,1,1,1,1}; output : …
In this post, we will see about grep command in unix. The grep command stands for “Global Regular Expression Print” and is used to search text or searches the given file for lines containing a …
If you want to publish any article on following topics, please contact us on javatwoblog@gmail.com. Here are the topics on which you can share your articles. Java Algorithms and data structures Spring/Spring MVC/Spring boot Android …
In this post, we will see how to find the first repeating element in array of integers. Problem Find the first repeating element in array of integers. For example: Input: array = {10, 7, 8, …
The FileReader class of java.io package provides a seamless and easy-to-use way to read and analyse the contents of a file using Java. The FileReader class, works similar to the FileInputStream class because it reads …
In this post, we will see how to find the longest common substring in java. Table of ContentsProgramSolutionBrute force approachDynamic programming solution Program Given two String, find longest common substring. For example: String 1: Java2blog …
In this post, we will see how to print the maximum occurring character in a String. Problem Print maximum occurring character in a String For example: String 1: java2blog tutorial Character: a has occurred maximum …