The Geeks Area

Java Package 1. What is the purpose of package in Java? A package is used to encapsulate a group of classes, interfaces and sub-packages. Often, it is a hierarchical structure of storing information. It is easier to organize the related classes and subpackages in this manner. A Package also provides access protection for classes andinterfaces. A package also helps in removing naming collision. 2. What is java.lang package? In Java, java.lang package contains the classes that are fundamental to the design of Java programming language. The most important class in this package is Object class. It also contains wrapper classes like- Integer, Boolean, Character etc. It provides Math class for mathematical operations. 3. Which is the most important class in Java? It is an open-ended question with many answers. In my view, Object class is the most important class of Java programming language. It is the root of all the classes in Java. It provides some very im...