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This tutorial would be focusing on different ways of write to file using Java. Stream is a general mechanism of I/O in java. Stream provides sequential access of data. An input stream can be used by an application to read data. An output stream to write data. A file, network connection, arrays can act as …

The purpose of HashMap isn’t to keep entries in a sorted order, but Java provides you the option to sort HashMap on the basis of values or keys. To sort HashMap based on keys, all that is needed is creating a TreeMap by copying entries from the desired HashMap. One can implement SortedMap by TreeMap …

Java : The Complete Java Reference Level – Beginner to Advanced This book is called the Bible of Java programming and rightly so. Written by Herbert Schildt and released by Oracle Press, this book was first published way back in the 90s. This book is very comprehensive and covers just about anything that you want …

Reactive programming is becoming ubiquitous when it comes to building any real-time system in recent times. Software designs are shifting from the conventional servers and containers to be event-driven, responsive, scalable and handle failures gracefully. The problem with the traditional approach of creating multithreaded, synchronized and shared applications was that the end products were tightly …