LECTURE OBJECT ORIENTED PROGRAMMING - LECTURE NO 01

In this chapter you will learn about the following: The basic principles of object orientation; classes and objects; instance variables, attributes and associations; methods, operations and polymorphism; organizing classes into inheritance hierarchies; evaluating alternative implementations of simpl[r]

The purpose of this chapter is to give you a feel for object-oriented programming and to introduce a conceptual foundation of object-oriented programming. Another purpose of this chapter is to introduce the software development process.

Inheritance - ReviewObject-oriented programmingExpressionsInheritance2"interface"Expression+ asString(): String+ evaluate(): int"interface"BinaryE xpression+ left(): Expression+ right(): ExpressionNumeral- int: value+ Numeral(int)+ Numeral()Square- Expression: expression+ Square(Expression)Ad[r]

my son, “What’s a microwave?” he would probably say, “It’s an oven that. . . .”If I then asked, “What’s an oven?” he might reply, “It’s a kitchen appliancethat. . . .” If I then asked “What’s a kitchen appliance?” he would probably say,“Why are you asking so many stupid questions?”215Chapter 10: [r]

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The topics discussed in this chapter are: Object-oriented programming overview, UML class diagram, first OOP class, private and public access, driver class, reference variables and instantiation, calling a method, calling object.

In this chapter, we will present several nonnumerical recursive algorithms in this chapter. We will also discuss some criteria for deciding when to use recursion and when not to. All the recursive algorithms we provide in this chapter, other than those we use for explanation, are algorithms that sho[r]

The topics discussed in this chapter are: Object creation - a detailed analysis, assigning a reference, testing objects for equality, passing references as arguments, method-call chaining, overloaded methods, constructors, overloaded constructors.

This chapter presents the following content: Class Variables, class methods, how to access class members, when to use class members, class constants, example program using class members.

In this chapter you will learn about the following: Frameworks, reusable software subsystems that implement important facilities which many applications can use; the client–server architecture, an important way of designing programs in which the software is divided into two main parts: a client prog[r]

This chapter presents the following content: Primitive data types, integer types, floating-point types, char type, ASCII table, unicode standard, type conversions – promotions, type casting, prefix/postfix modes for increment/decrement operators, embedded assignment expressions, conditional operator[r]

This chapter presents the following content: Composition, aggregation, UML class diagram for composition and aggregation, car dealership program, inheritance overview, inheritance example - people in a department store, inheritance terminology, uml class diagrams for inheritance hierarchies,...and o[r]

After you have read and studied this chapter, you should be able to: Write programs that are easily extensible and modifiable by applying polymorphism in program design; define reusable classes based on inheritance and abstract classes and abstract methods; differentiate the abstract classes and Jav[r]

This chapter presents the following content: GUI overview, event-driven programming basics, GUI classes and packages, a simple window program, JFrame Class, Java components, JLabel component, JTextField Component, Component Listeners, interfaces, inner classes, anonymous inner classes, jbutton compo[r]

In this chapter, students will be able to: Define a subclass of JFrame to implement a customized frame window; write event-driven programs using Java''s delegation-based event model; arrange GUI objects on a window using layout managers and nested panels; write GUI application programs using JButton[r]

This chapter presents the following content: Composition, aggregation, UML class diagram for composition and aggregation, car dealership program, inheritance overview, inheritance example - people in a department store, inheritance terminology, uml class diagrams for inheritance hierarchies,...and o[r]

After you have read and studied this chapter, you should be able to: Include a JFileChooser object in your program to let the user specify a file; write bytes to a file and read them back from the file, using FileOutputStream and FileInputStream; write values of primitive data types to a file and re[r]

In this chapter you will learn about the following: Design as a series of design decisions; various approaches and types of design, including top-down design starting with the architecture, and bottom-up design starting with utilities; design principles that lead to maintainable software, such as ‘d[r]

In the previous two chapters, you learned about technologies that software engineers need to master before developing applications. Now, we can start thinking about the particular problem we wish to solve. We will first put effort into understanding the background of the problem, a process called do[r]

After you have read and studied this chapter, you should be able to: Perform linear and binary search algorithms on small arrays, determine whether a linear or binary search is more effective for a given situation, perform selection and bubble sort algorithms, describe the heapsort algorithm and sho[r]

In the previous chapter, we looked at UML class diagrams. This chapter continues the study of the static view of software by looking at typical patterns found in class diagrams. These patterns recur in many designs; by learning and using them you are reusing the collective experience of many softwar[r]