Computers

Object has states and behaviors that they exhibit.

A programme is a set of instructions that directs a computer to perform specific activities.

A string in Java is an object that represents a collection of char values. A character array works in the same way as a Java string.

The Windows operating system from Microsoft is a graphical operating system.

It handles service requests received from the transport layer and forwards them to the data link layer.

A stack is a linear data structure that operates on the Last-In-First-Out (LIFO) principle.

A queue is a linear structure that performs operations in a specific order.

A linked list is a collection of elements with the exception that the components are not stored in a sequential order.

In Java, packages are used to avoid naming conflicts, limit access, and make searching/locating and using classes among other things.