Define Class inheritance
Class inheritance: Whenever a super class is expanded through a sub class, a class inheritance relationship exists among them. The sub class inherits the attributes and methods of its super class. Class inheritance in Java, is single inheritance.
State the term multi programming.
Number of Threads: Threads can be a useful abstraction and implementation mechanism to partition independent program actions. However, when there is coordination (or interference) between these threads, the required synchronization mechanisms increase
Define the reasons of Process Handle Table.
Default initial value: It is the default value of any variable not explicitly initialized whenever it is declared. The fields of numeric primitive types contain the value zero by default, Boolean variables encompass the value false, char variables enc
QUESTION 1 The following UML diagram describes an abstract class Customer. This class is to be used as part of a Company's inventory system. The inventory system will contain many different types of customers. A separate s
Method overloading: Two or more techniques with similar name stated within a class are said to be overloaded. This exerts to both constructors and other methods. The overloading applies via a class hierarchy, thus a sub class may overload a method sta
Do loop: This is one of Java's three control structures employed for looping. The other two are the for loop and while loop. A do loop comprises of a loop body and a Boolean expression. The condition is tested subsequent to the loop body has been fini
Increment operator: The operator (++) which adds one to its operand. It consists of two forms: pre-increment (++x) and post-increment (x++). In its pre-increment form, the outcome of the expression is the value of its argument subsequent to the increm
Binary operator: It is an operator taking two operands. Java has numerous binary operators, like the arithmetic operators +, -, *, / and %, and the Boolean operators &&, || and ^, among others.
Abstract class: It is a class with the abstract reserved word in its header. The Abstract classes are differentiated by the fact that you might not directly construct objects from them employing the new operator. The abstract class might have zero (0)
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