Packages and interfaces Select Unit: 6.1.1. Introduction to package6.1.2. Finding packages and CLASSPATH6.1.3. Access protection6.1.4. Importing a package6.2.1. Defining an interface6.2.2. Implementing interfaces6.2.3. Nested interfaces6.2.4. Applying interfaces6.2.5. Variables in interfaces6.2.6. Interfaces can be extended6.2.7. Default interface methods6.2.8. Multiple Inheritance Issues6.2.9. Static methods in an interface This section covers the historical development of computing systems. Download PDF Tip Don’t forget to answer the following past paper MCQ questions. Note Any Question ? Drop a comment below