a balanced introduction to computer science third edition pdf

... type • Always have the same name as the class name • May have parameters • Default constructors have no parameters • Constructors can be overloaded (more than one definition in the same class) ... sign as a prefix – a blank prefix means that the variables and methods are not annotated and will have their default visibility     Mutation • An object can be changed by assigning a new value to ... Visibility and UML Diagrams • In UML diagrams – private variables and methods are indicated using a leading minus sign as a prefix – public variables and methods are indicates using a leading plus

Ngày tải lên: 11/01/2020, 18:40

... Chapter Iteration Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold     Chapter Preview In this chapter we will: ... of loops in data entry and computer animation     while Loop • Repeated executes body of the loop which can be a single or compound statement • A while loop will execute as long as its condition ... discuss the use of repetition (iteration) in programming algorithms • describe the Java while, for, and do-while statements • demonstrate the use of loop invariants to verify the correctness of loops

Ngày tải lên: 11/01/2020, 18:43

... package class import package.name.class_name;     Import Examples • This code java.util.Date d = new java.util.Date(); java.awt.Point p = new java.awt.Point(1,2); java.awt.Button b = new java.awt.Button(); ... (always available in any Java program) java.net Classes for networking   java.util   Useful auxiliary classes like Date Package Component Names • Using a fully qualified component name x = java.lang.Math.sqrt(3); ... Packages Package Name Contents java.applet Classes for implementing applets java.awt Classes for graphics, windows, and GUI’s java.awt.event Classes supporting AWT event handling java.awt.image Classes

Ngày tải lên: 11/01/2020, 18:45

... Chapter 14 Recursion Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, , E Reingold Chapter Preview In this chapter we ... is to divide a problem into smaller subproblems • These subproblems may also be divided into smaller subproblems • When the subproblems are small enough to solve directly the process stops • A ... Guaussian elmination) • introduce the linked list data structure and recursive implementations for several of its methods • present programs for drawing two types of fractal curves Recursion • Basic problem

Ngày tải lên: 11/01/2020, 18:46

... Chapter 11 Java AWT Part I: Mouse Events (Optional) Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold     Chapter ... events can be used to build highly interactive programs     Abstract Windowing Toolkit (AWT) • Part of the Java distribution, but not part of the Java language itself • AWT is library of classes and ... by Java programmers that supported are by the basic Java runtime libraries • Even though this chapter is labeled optional, it is not possible to be a complete Java programmer without understanding

Ngày tải lên: 11/01/2020, 18:47

... the maintainability of a class or program     Building Class Definitions public class classname { // Author, data, explanation declarations of instance variables public void methodName1 (parameter) ... declared inside the class – all class methods have access to the class instance variables – can be used for communication inside class     Initialization of Instance Variables • Instance variable ... doubles are initialized to – characters are initialized to the null character (ASCII code 0) – booleans are initialized to false – object-type variables are initialized to the reference value null

Ngày tải lên: 11/01/2020, 19:00

... display a text link to another web page Josephine • To display a picture link to another web page     Applet Tag and HTML • To include a Java applet as part of an HTML document • Java applet ... how Java programs can be made to react to user actions on Java graphical components • show how Java applications can be run from inside web browsers     Frames • A frame is a window with a title ... Canvas class is not a Container subclass, but does allow you to reserve a portion of a Frame to draw in     Comparing Layout Managers FlowLayout – Default frame layout – Components are placed

Ngày tải lên: 11/01/2020, 19:02

... be applied to a Java data object (class instance) • body – Java statements that contain the implementations of classes and their methods     Program Elements – Part • variable declaration – statement ... single Java expressions terminated by a ; • variable assignment statement – executable statement which copies a particular value to a data location     Identifiers • Java uses identifiers to name ... giving the name and data type of a data location used by the program • executable statement – statement which manipulates variables or determines program control during execution • atomic statements

Ngày tải lên: 11/01/2020, 19:06

... from an array to use in programming simple animations     Array Declarations • Arrays contain a fixed number of variables of identical type • Array declaration and allocation are separate operations ...   Arrays of Objects • Arrays of objects are declared in the same manner as arrays of primitive variables • Assuming that a class Student was declared elsewhere a client application could declare ... declare and allocate an array of 10 students using Student[ ] students; students = new Student[10];     Passing Arrays as Arguments • When an array is passed as an argument to a method, what is passed

Ngày tải lên: 11/01/2020, 19:27

... that allows the programmer to model a problem in a realworld fashion • Objects interact with each other by sending messages • An object is an instance of a class • A class implements an interface ... Enter the program source code in a data file using an editor • Transform the source program into machine language or Java Bytecode using an compiler (e.g javac) • Use an interpreter to execute the ... Chapter What is Programming? Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold     Chapter Preview In this chapter

Ngày tải lên: 11/01/2020, 19:29

...   Characters as Integers • It is legal to assign a char to an int variable int i = ? ?a? ??; // assigns 97 to i • It is legal to assign an int to an char variable char c = 97; // assigns ? ?a? ?? to c ... keyboard generates a character which may or may not be displayed on the screen (e.g nonprinting characters) • Characters are a primitive type in Java and are not equivalent to strings • Examples ... Chapter Fundamental Data Types of Java Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold     Chapter Preview

Ngày tải lên: 11/01/2020, 20:03

... Chapter Nested Loops and Two-Dimensional Arrays Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold     Chapter Preview ... chapter we will: • show how nested loops are useful • introduce two-dimensional arrays • describe the use of two-dimensional arrays to represent grids of information • show how computer graphics ... graphics are generated using pixels     Nested for Loops • Nested loops frequently used to process twodimensional arrays • Often body of inner loop is where the main computation is done • Example:

Ngày tải lên: 11/01/2020, 20:21

... java.io package • FileReader allows us to open a file for reading • BufferedReader is a wrapper class that provides methods that – allow us to treat the file as a stream of characters – increases ... reimplements all of Y’s methods • A wrapper can wrap a class and be the subclass of another class at the same time Buffered Input • We can make a file available for reading one character at a time ... of reading – allows line-oriented reading Wrapper Classes • Class W is said to wrap class Y if: Y is a concrete (not abstract) class W’s constructor takes Y as an argument and stores a local copy

Ngày tải lên: 11/01/2020, 20:25

... receiver and cannot refer to instance variables • It can refer to and manipulate class variables Classes with No Instance Variables or Methods • Some classes only contain class variables and methods ... Chapter 10 Classes and Methods IV: Static Methods and Variables Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold Chapter ... Instance Methods Class ClassnameClient { // Author, date, expalnation public static void main (String[ ] args { Classname variable = new Classname( ); variable, method( … ); } } Sformat Class

Ngày tải lên: 11/01/2020, 20:29

... equality or inequality • Example: if (age >= 18) out.println(“You are eligible to vote.”);         Relational Operators < < less than > > greater than = greater than or equal to = == equal to ... Chapter Decision Making Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold     Chapter Preview In this chapter we ... to != not equal to     if Statement with Optional else • An if statement may have an optional else clause that will only be executed when the condition is false • Example: if (wages

Ngày tải lên: 11/01/2020, 20:31

... type • Always have the same name as the class name • May have parameters • Default constructors have no parameters • Constructors can be overloaded (more than one definition in the same class) ... sign as a prefix – a blank prefix means that the variables and methods are not annotated and will have their default visibility     Mutation • An object can be changed by assigning a new value to ... Visibility and UML Diagrams • In UML diagrams – private variables and methods are indicated using a leading minus sign as a prefix – public variables and methods are indicates using a leading plus

Ngày tải lên: 15/05/2020, 22:27

... digital computer, called MANIAC I (Mathematical Analyzer, Numerator, Integrator, and Computer) , which was very similar to ENIAC. Many important numerical studies, includ- ing Monte Carlo simulation ... languages are convenient for creating applications that are icon-driven. Write a Java application that simulates a Chinese abacus. Test your application by performing the four basic math operations ... multiplication, and division and was employed for several thousand years. A traditional Chinese abacus is made of a rectangular wooden frame and a bar going through the upper middle of the frame horizontally....

Ngày tải lên: 05/03/2014, 11:21

... vibration signa- ture. Generally, one to three blocks of data are adequate to acquire an accurate vibra- tion signature. Today, most programs are set up to acquire 8 to 12 blocks of data from each ... raw data and then calculate an average vibration value was incorporated to eliminate the potential for spurious signals or bad data resulting from impacts or other transients that might distort ... maintenance manager. The addition of a comprehensive predictive maintenance program can and will provide factual data on the actual mechanical condition of each machine-train and the oper- ating...

Ngày tải lên: 05/03/2014, 17:20

... hypercapnic set point ! airway collapse with hypoxemia and hypercapnia ! partial collapse leads to snoring and hypopnea, full collapse leads to apnea ! terminated with arousal ! repeated arousals ... of Calgary, Calgary, AB, Canada Research Fellow, Division of General Internal Medicine Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA Raj Padwal, MD, M.Sc., FRCPC Associate ... Update ACC/AHA 2007 UA/NSTEMI Guidelines DIFFERENTIAL DIAGNOSIS OF CHEST PAIN CARDIAC  MYOCARDIAL myocardial infarction, angina (atherosclerosis, vasospasm)  VALVULAR aortic stenosis  PERICARDIAL...

Ngày tải lên: 06/03/2014, 11:20