In this article, you will learn about the Arrays class in java.

A StringBuffer represents a string that can be modified. Whenever there is a concatenation operator (+) used with strings, a StringBuffer object is automatically created.

How to Digitally Sign Word, Excel, PowerPoint and PDF Documents in Java.

In this article, we will see what are the challenges we can face while developing microservices and how to resolve them.

Thread creates a new thread of execution. The name of the thread is specified by the ThreadName. Thread groups are to manage groups of threads as a unit.

A BitSet class creates a special type of array that holds the bit values.

The Linked List class provides a linked-list data structure.

The Observable class is basically used to create a subclasses that other parts of the program can observe. When an object of a sub class undergoes a change, observing classes are notified.

In this article, you will learn about cursor in the collection framework.

The Random class is a generator of pseudorandom numbers. These are called pseudorandom numbers

String Tokenizer implements the Enumeration interface. Using StringTokenizer , we can summarize the individual tokens contained in the given input string.

The reflection API represents, or reflects the classes, interfaces, and objects in the current java virtual machine

By now, we know about specifying an Internet destination with the help of the instances of InetAddress class, but the question is how can you communicate with the remote systems? The problem is sol...

The Selenium web driver is a web-based, automation testing framework that can test webpages initiated on various web browsers. You can write test scripts in java, C#, Python, Ruby, etc. As technolo...

In this article, you will learn about Microservices with Java.

This article will explain how to convert Excel to PDF using Java.

In this article, you will learn about legacy classes and legacy interface of collections api.

You must have noticed that whenever you launch any application, be it on any platform, there is a displaying of a Logo Image related to the firm/organization which owns the application. This lasts ...

Using applet, create a working version of ‘fifteen puzzle’. The puzzle contains a grid with four rows and four columns. The cells of the grid are filled with numbers from 1 to 15 leaving one cell e...

In this article, you will learn how to design a frame that has an Edit menu with Cut, Copy and Paste functions in Java.