What is Java ?
Java is an object-oriented programming language which is developed by the Sun Microsystems in the year 1995. Java was designed to be portable, meaning that it could run on any computer with a Java Virtual Machine (JVM) installed. Java is widely used for developing enterprise applications, Android apps, and web applications.
History of Java
Java was created by James Gosling and his team at Sun Microsystems in the early 1990s. Gosling’s goal was to create a language that could be used for developing software for consumer electronics, but it eventually found use in web applications, enterprise applications, and Android apps.
Basic Java Syntax
Java’s syntax is based on the C programming language. Java code is written in classes, which contain methods and variables. Java requires that all code be enclosed within classes, and it uses curly braces to define code blocks. Java code is compiled into bytecode, which can be executed on any computer with a JVM installed.
What is OOP in Java ?
Java is a pure object-oriented programming language, which means that all code is written within classes and objects. Java supports encapsulation, inheritance, and polymorphism, which are the three key principles of object-oriented programming. Encapsulation allows for data and code to be hidden within classes, inheritance allows for classes to inherit code from parent classes, and polymorphism allows for classes to have different behavior based on their type.
What are factors that affect performance?
What is Java used for ?
Java is widely used for developing enterprise applications, Android apps, and web applications. Its robustness and portability make it ideal for large-scale applications that require high performance and reliability. Java is also used for developing financial and scientific applications, as well as gaming applications.
Popular Java frameworks and libraries
Java has a vast collection of frameworks and libraries, making it easy for developers to build enterprise-grade applications. Some popular Java frameworks include Spring, Hibernate, Struts, and JSF. These frameworks provide pre-built components and APIs for building web applications, managing transactions, and handling databases.
Comparison of available frameworks and libraries
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How to learn Java ?
Java has a steep learning curve, as it requires knowledge of object-oriented programming concepts, such as inheritance, polymorphism, and encapsulation. Java also has a complex syntax and requires knowledge of libraries and frameworks. However, there are many resources available for learning Java, and it is a widely used language, making it easy to find help and support.
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Who is the father of Java?
The father of Java is James Gosling. He created the language while he was working at Sun Microsystems in the mid-1990s. The idea behind Java was to develop a language that could run on multiple platforms, which is achieved through the use of a virtual machine.