What is Java?
Automation Interview Questions & Answers PDF 2023
Java is a popular high-level
programming language that is used to develop a wide range of applications, from
simple desktop applications to complex enterprise-level systems. It was first
introduced by Sun Microsystems in 1995 and is now owned by Oracle Corporation.
Java is known for its portability,
meaning that once a Java program is compiled, it can run on any platform
without the need for recompilation. This is achieved through the use of the
Java Virtual Machine (JVM), which is an interpreter that runs Java code on any
platform. This feature has made Java a popular choice for developing
cross-platform applications.
Java is also an object-oriented
programming language, which means that it is based on the concept of objects,
which have attributes (data) and methods (functions) that can be used to
manipulate the data. This makes it easier to write and maintain complex
programs, as it allows for code reuse and modularity.
Java has a large and active developer community, with many libraries and frameworks available to simplify the development process. It is used in a wide range of industries, including finance, healthcare, gaming, and more.
Java can be a very important
programming language for fresher's or new programmers for several reasons:
Popularity: Java is one of the most popular programming
languages in use today, with a large number of job opportunities available for
Java developers. Learning Java can help fresher's to find employment
opportunities in the software development industry.
Object-Oriented Programming: Java is an object-oriented
programming language, which means that it helps fresher's to learn the concepts
of object-oriented programming, which is widely used in software development.
Object-oriented programming is a powerful way of organizing and managing
complex software systems, making it easier to write and maintain code.
Portability: Java is a highly portable programming language, meaning that once a Java program is written, it can run on any platform, without the need for modification. This is due to the Java Virtual Machine (JVM), which interprets the Java code, making it a preferred choice for developing cross-platform applications.
Large Developer Community: Java has a
large and active developer community, with many resources available to help
fresher's to learn the language and improve their skills. This includes online
tutorials, forums, and open-source projects that can provide opportunities to
learn and contribute to real-world projects.
