Real time is a system in which a deadline is given and the work has to be completed within the time. If this task is not accomplished within the given time, then there can be a huge loss. There is an operating system called RTOS which can be expanded to Real Time Operating System. The aim of designing this operating system is to manage the time constraints to complete a task or a project. Real time systems can be divided into hard real time systems and soft real time systems. In this article, we will discuss the difference between a ... Read More

Gradle is a tool which is used in Java development. One of its main jobs is to create automation tools. Maven is used as an alternative to Gradle but it is older and helps in building the tools which are best for a project. Developers can make a choice between them on the basis of their requirements for a project. In this article, we will discuss the difference between Gradle and Maven. What is Gradle? Gradle is an open-source automation system which uses domain-specific language called Groovy. This is a programming language that uses XML for the configuration of a ... Read More

SQL is a language which consists of different types of clauses in the Select statement like Where Group by Having Order by These clauses are used to retrieve values, sort them, group them, and do a lot of other things. In this article, we will discuss the difference between having clause and group by clause. What is Having Clause? The Having clause is used to filter groups of rows based on a condition, which often includes the aggregate functions. It comes after the GROUP BY clause in a SQL query. Unlike the WHERE clause, which filters rows before ... Read More

Logical reasoning is one of the main subjects of computer science and mathematics. This reasoning helps in making the decisions of whether different types of mathematical arguments are correct or not. It can be divided into propositional logic and predicate logic. Both of these topics are required for different subjects like mathematics, philosophy, computer science, etc. These concepts are very complex and are used in creating various types of arguments. Let us discuss the difference between propositional logic and predicate logic. What is Propositional Logic? A proposition consists of a truth value which should not be ambiguous to the two ... Read More

Vector and List are present in many programming languages like C++, R, etc. and they are used to add and remove elements. These elements can be accessed randomly in a vector but not in a list. In this article, we will discuss the difference between vector and list in C++. What is Vector in C++? A vector is a container which works as a dynamic array. It can be used to store elements whose datatype is same. Vectors also have a characteristic of growing or shrinking at runtime. Vectors belong to the Standard Template Library (STL) and header file ... Read More

Stream was introduced in Java 8 and it was included as java.util.stream package. It is a sequence of objects which acts as an array or a collection. Different types of methods are supported by stream. Besides this, stream also supports different kinds of aggregate operations which include − Filter Map Reduce Limit Match Find The source is not affected when any of these operations are performed on a stream. Instead of this, a new stream is created to apply these operations. There are two types of streams which are sequential and parallel. In this article, we will discuss ... Read More

Spring Annotations can be referred to as metadata which provides information related to a program. Supplemental information of a program can be derived from annotations. The annotation will not affect the program nor the action of the compiled program be changed. Spring annotations are of two types which are @Controller and @RestController. In this article, we will see the difference between @Controller and @RestController. What is @Control Annotation? Spring @Controller Annotation is responsible for informing that a particular class can behave in the form of a controller. The @Controller annotation and the annotated handler methods are used in combination with ... Read More

Java has a java.util package that consists of a Collection interface. This interface has many sub-interfaces and classes like List, Set, and Map. In this article, we will learn the difference between List, Set, and Map. What is List Interface? Java has a Collection interface and List is the sub-interface of Collection. This interface consists of methods like insert, update, delete, and search. Developers are also allowed to insert null elements. List Interface Example The List interface can be found in the java.util package. An example of a List is given below − import java.util.*; public class ListExample { ... Read More

Java is a secure, powerful, and reliable language which developers can use to develop different types of applications that can run on desktop, web, and mobiles. Developers can develop customized applications with the help of GUI components. These GUI components are available in AWT and Swing and in this article, we will discuss the differences between AWT and Swing. What is AWT in Java? The full form of AWT is Abstract Window Toolkit. This is an API which developers use to develop different types of GUI applications. Sun Micro Systems developed and launched AWT in 1995. A large number of ... Read More

Companies are of many types but the two main types are product-based and service-based. Product-based companies sell different types of products while service-based companies sell different types of services. There are companies that sell both products and services. In this article, we will see the difference between product-based and service-based companies. What are Product Based Companies? Product-based companies are the ones that are responsible for manufacturing and selling different types of physical products which can be groceries, electronic items, fashionable items, and many more. Companies have to meet the requirements of their customers on the basis of their feedback. These ... Read More