Java - Medium Articles

Print all palindromic paths from top left to bottom right in a matrix

Given a matrix containing lower alphabetical characters only, we need to print all palindromic paths in given matrix. A path is defined as a sequence… Read More

palindrome

Algorithms

DSA

Dynamic Programming

Java

Matrix

Java.io.ObjectStreamClass in Java

This class is serialization’s descriptor for classes. It contains the name and serialVersionUID of the class. The ObjectStreamClass for a specific class loaded in this… Read More

Java-I/O

Java

Print all Subsequences of String which Start with Vowel and End with Consonant.

Given a string return all possible subsequences which start with a vowel and end with a consonant. A String is a subsequence of a given… Read More

vowel-consonant

Yatra.com

DSA

Hash

Java

Strings

Delegation vs Inheritance in Java

Inheritance in Java programming is the process by which one class takes the property of another other class. i.e. the new classes, known as derived… Read More

java-inheritance

Java

TCS Interview Experience | Set 9 (Off-Campus through CodeVita)

I solved 2 problems in CodeVita 2017. So I was directly called for interviews trespassing all intermediate rounds. First, they took us to a Hall… Read More

TCS

TCS Codevita

TCS-interview-experience

Algorithms

Binary Search Tree

Competitive Programming

DSA

Dynamic Programming

Experiences

Heap

Interview Experiences

Java

Project

Python

Sorting

Simulated Annealing

Problem : Given a cost function f: R^n –> R, find an n-tuple that minimizes the value of f. Note that minimizing the value of… Read More

Algorithms

DSA

Java

Mathematical

Randomized

Print middle level of perfect binary tree without finding height

Given a perfect binary tree, print nodes of middle level without computing its height. A perfect binary tree is a binary tree in which all… Read More

Amazon

Advanced Data Structure

DSA

Experienced

Experiences

Internship

Java

Misc

Tree

Bounded Types with Generics in Java

There may be times when you want to restrict the types that can be used as type arguments in a parameterized type. For example, a… Read More

Java

Properties Class in Java

The Properties class represents a persistent set of properties. The Properties can be saved to a stream or loaded from a stream. It belongs to… Read More

Java - util package

Java-Collections

Java

Java.lang.System class in Java

Among the facilities provided by the System class are standard input, standard output, and error output streams; access to externally defined properties and environment variables;… Read More

Java

Java program to delete duplicate lines in text file

Prerequisite : PrintWriter , BufferedReader Given a file input.txt . Our Task is to remove duplicate lines from it and save the output in file… Read More

java-file-handling

Java-I/O

Java

Java program to merge two files alternatively into third file

Prerequisite : PrintWriter , BufferedReader Let the given two files be file1.txt and file2.txt. Our Task is to merge both files into third file say… Read More

Java

Java program without making class

Can you run Java program without making class? The idea is to us enum is Java. Every enum constant is always implicitly public static final.… Read More

Java

Pinging an IP address in Java | Set 1

PING stands for Packet InterNet Groper in computer networking field. It’s a computer network administration software used to test the reachability of a host on… Read More

Java-Networking

Java

Pattern Occurrences : Stack Implementation Java

Suppose we have two Strings :- Pattern and Text pattern: consisting of unique characters text: consisting of any lengthWe need to find the number of patterns that… Read More

DSA

Java

Stack

Strings

Reentrant Lock in Java

Background The traditional way to achieve thread synchronization in Java is by the use of synchronized keyword. While it provides a certain basic synchronization, the… Read More

Java-Multithreading

Java

Java.lang.ProcessBuilder class in Java

This class is used to create operating system processes. Each ProcessBuilder instance manages a collection of process attributes. The start() method creates a new Process instance… Read More

Java

Image Processing in Java – Sharpness Enhancement

Prerequisites: Image Processing in Java – Read and Write Image Processing In Java – Get and Set Pixels Image Processing in Java – Colored Image… Read More

Image-Processing

OpenCV

Java

Image Processing in Java – Brightness Enhancement

Prerequisites: Image Processing in Java – Read and Write Image Processing In Java – Get and Set Pixels Image Processing in Java – Colored Image… Read More

Image-Processing

OpenCV

Java

Multi-threaded Chat Application in Java | Set 2 (Client Side Programming)

Prerequisites : Introducing threads in socket programming, Multi-threaded chat Application | Set 1 This article gives the implementation of client program for the multi-threaded chat… Read More

Java-Multithreading

Java-Networking

Java