Javastico

 Q: What is Java? A: Java is a general-purpose programming language that is used to develop software for a wide range of platforms, including mobile devices, desktops, servers, and embedded systems. Q: What are the key features of Java? A: Some of the key features of Java include platform independence, object-oriented programming, automatic memory management, and robust exception handling. Q: What is the difference between JDK and JRE? A: JDK (Java Development Kit) is a software development kit that includes tools for developing, debugging, and compiling Java applications, while JRE (Java Runtime Environment) is a runtime environment that includes tools for executing Java applications. Q: What is the main difference between abstract class and interface? A: An abstract class can contain both abstract and non-abstract methods, while an interface can only contain abstract methods. Additionally, a class can implement multiple interfaces, but it can only extend one abstract class. Q: Wh...

1) What is Java? Answer: Java is a high-level programming language that is widely used for developing web, mobile, and desktop applications. It was developed by Sun Microsystems (now owned by Oracle) in the mid-1990s. 2) What are the features of Java? Answer: Some of the key features of Java include platform independence, object-oriented programming, automatic memory management, robust exception handling, and security. 3) What is object-oriented programming in Java? Answer: Object-oriented programming (OOP) is a programming paradigm that is used extensively in Java. OOP involves creating objects that contain data and methods, and then using those objects to build larger applications. 4) What is a class in Java? Answer: In Java, a class is a blueprint or template that defines the characteristics and behaviors of a particular type of object. Classes contain fields (data) and methods (functions) that can be used to create and manipulate objects. 5) How does Java achieve platform independe...