What are the important features of Java 8 release? What do you mean by platform independence of Java? What is JVM and is it platform independent? What is the difference between JDK and JVM? What is the difference between JVM and JRE? Which class is the superclass of all classes? Why Java doesn’t support multiple inheritance? Why Java is not pure Object Oriented language? What is difference between path and classpath variables? What is the importance of main method in Java? What is overloading and overriding in java? Can we overload main method? Can we have multiple public classes in a java source file? What is Java Package and which package is imported by default? What are access modifiers? What is final keyword? What is static keyword? What is finally and finalize in java? Can we declare a class as static? What is static import? What is try-with-resources in java? What is multi-catch block in java? What is static block? What is an interface? What is an abstract class? What is the difference between abstract class and interface? Can an interface implement or extend another interface? What is Marker interface? What are Wrapper classes?