Java TreeSet is the most popular implementation of java.util.SortedSet. SortedSet is an interface that extends java.util.Set. Java Sorted Set provides total ordering on its elements. Java TreeSet In other words,…

Today we will look into Multiple Inheritance in Java. Sometime back I wrote few posts about inheritance, interface and composition in java. In this post, we will look into java…

Welcome to Java 8 Stream API tutorial. In the last few java 8 posts, we looked into Java 8 Interface Changes and Functional Interfaces and Lambda Expressions. Today we will…

In our Linux system, If we have a large PDF file, we may want to reduce it’s size. We shall look at different ways to reduce PDF size or compress…

Welcome to Java XPath Example Tutorial. XPath provides syntax to define part of an XML document. XPath Expression is a query language to select part of the XML document based…

Python zipfile module helps us in working with zip files. Today we will learn how to read zip archive details, create and extract zip files using zipfile module. In case…

Java Sorting is one of the many aspects of java interview questions. In this post, we will see java bubble sort example and write a program for bubble sort. Bubble…