Array is a linear data structure that is used to store a group of elements with similar datatypes. It stores data in a sequential manner. Once we create an array we can't change its size i.e. it is of fixed length. There are various ways to create an array named ... Read More

In Java, the streams allow us to perform the functional operations on the specified element. It simply channelizes the elements of source such as arrays, files and classes of collection framework, through various built-in methods to return the result. These built-in methods could be intermediate or terminal. In this article, ... Read More

The given three terms Spring DAO, Spring ORM and Spring JDBC, are related to Data Access in Spring Framework. This framework was developed in June 2003 by Rod Johnson and with its release, it became very famous among Java developers because of its comprehensive set of tools and features for ... Read More

Infrequently a SpringBoot developer may need an external configuration to define features for SpringBoot applications so that we can use the same application code in different environments. For this purpose, we can use YAML and .properties files that are used to store the required features. Despite similar functionality, there are ... Read More

In Java, there exist different name reusing techniques for various types of entities, sucha s variables, methods, datatypes or packages. These techniques affect the accessibility and behavior of the entities according to their need and use. In this article, we will discuss four common ways to reuse a name in ... Read More

Hierarchical data is often used to represent multiple levels of nested groups or categories. For example, a company may have a hierarchy of employees, departments, and locations. A product may have a hierarchy of categories and subcategories. One of the challenges of working with hierarchical data is how to represent ... Read More

Finding the percentile rank is a common operation that is used for comparison between data of a single dataset. The end result of this operation shows a certain percentage is greater than or equal to the specified percentile. For instance, suppose a student obtains a score greater than or equal ... Read More

A line graph is a common way to display the relationship between two dependent datasets. Its general purpose is to show change over time. To plot a line graph from the numpy array, we can use matplotlib which is the oldest and most widely used Python library for plotting. Also, ... Read More

Online judge is a platform that serves to compile, execute and evaluate programming solutions to a given problem. It is widely used for problem solving and organizing programming contests. To create a basic online judge in Java using ProcessBuilder class, define an instance of ProcessBuilder and specify the name of ... Read More

While developing any Java application, we may require to use external libraries or modules that are packaged as JAR files. To use a JAR file in those Java applications, we need to add it to the classpath, which is a list of locations where the Java runtime can find and ... Read More