... Classes and Methods III: 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 Preview ... Rights • To declare variables of the class type • To create instances of the class using constructors • To send messages to instances of the class by invoking class instance methods • To know ... that can be performed on these values know as instance methods • Messages requesting an action or value are sent to objects • Objects respond to messages that are in their protocols or interfaces
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 ... 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 • show the use of loops
Ngày tải lên: 11/01/2020, 18:43
Lecture An introduction to computer science using java (2nd Edition): Chapter 12 - S.N. Kamin, D. Mickunas, E. Reingold
... 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(); • Can be abbreviated import java. util.date; Import java. awt.*; ... separate directories or folders • The classes stored in each directory form a package • The package names are formed by concatenating the directory names starting from a particular root directory ... Predefined Java 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
Ngày tải lên: 11/01/2020, 18:45
Lecture An introduction to computer science using java (2nd Edition): Chapter 14 - S.N. Kamin, D. Mickunas, E. Reingold
... 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 ... recursive implementations for several of its methods • present programs for drawing two types of fractal curves Recursion • Basic problem solving technique is to divide a problem into smaller subproblems ... subproblems • These subproblems may also be divided into smaller subproblems • When the subproblems are small enough to solve directly the process stops • A recursive algorithm is a problem solution
Ngày tải lên: 11/01/2020, 18:46
Lecture An introduction to computer science using java (2nd Edition): Chapter 11 - S.N. Kamin, D. Mickunas, E. Reingold
... can respond to mouse events (e.g clicks and mouse movements) demonstrate how to implement a listener Interface show how mouse events can be used to build Trang 3 Abstract Windowing Toolkit (AWT) ... (AWT) ¢ Part of the Java distribution, but not part of the Java language itself ¢ AWT Is library of classes and methods used by Java programmers that supported are by the basic Java runtime libraries ... this chapter is labeled optional, itis not possible to be a complete Java Trang 4 Java Events Events are occurrences outside of the program to which the program must respond (e.g user key press)
Ngày tải lên: 11/01/2020, 18:47
Lecture An introduction to computer science using java (2nd Edition): Chapter 5 - S.N. Kamin, D. Mickunas, E. Reingold
... II 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: • formally introduce ... Reads and stores the hour and minute data String toString() Returns string version of time suitable for printing void setHour(int h) Sets hour to h void setMinute(int m) Sets minute to m int getHour() ... initialized to default values if no initializers are found – integers and doubles are initialized to – characters are initialized to the null character (ASCII code 0) – booleans are initialized to false
Ngày tải lên: 11/01/2020, 19:00
Lecture An introduction to computer science using java (2nd Edition): Chapter 13 - S.N. Kamin, D. Mickunas, E. Reingold
... { Button buttonname; public classname() { buttonname = new Button(“button label”); add(buttonname); but tonname ActionListener (this): } public void actionPerformed(ActionEvent e) { what to do ... Inheritance Example public class TwoButtons extends Frame { Button redButton, blueButton; public TwoButttons() { super(“Two Buttons Frame”); Trang 11 Other Simple Java Components ¢ Label — contains ... of Java in animating World Wide Web applications show how to write Java applets introduce Java graphical components (e.g Texttfields, Buttons, and Labels) show how Java programs can be made to
Ngày tải lên: 11/01/2020, 19:02
Lecture An introduction to computer science using java (2nd Edition): Chapter 2 - S.N. Kamin, D. Mickunas, E. Reingold
... 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: • describe structure of Java programs ... present techniques for creating and using class instances • introduce two classes for doing output: – OutputBox for text output – DrawingBox for graphical output Running Java Programs ... code in a data file called Hitwall .java using an editor • Compile the source program by typing javac Hitwall .java • Execute the compiled program by typing java Hitwall Program Elements –
Ngày tải lên: 11/01/2020, 19:06
Lecture An introduction to computer science using java (2nd Edition): Chapter 8 - S.N. Kamin, D. Mickunas, E. Reingold
... Chapter One-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 ... structure for storing large amounts of data • discuss common array operations • introduce algorithms for searching and sorting arrays • show how multiple images can be painted from an array to use ... error – trying to access variable outside counts Expressions as Subscripts • Array subscripts not have to be constants • Array subscripts need to be integer expressions that evaluate to valid subscript
Ngày tải lên: 11/01/2020, 19:27
Lecture An introduction to computer science using java (2nd Edition): Chapter 1 - S.N. Kamin, D. Mickunas, E. Reingold
... Trang 1 Chapter 1 What is Programming? Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by Trang 2 Chapter Preview In this chapter we will: ... Trang 19 prog1 .java — JAVA 01110100 01101000 01001011 Programmer types program using a fext editor File is stored on disk with type ? ?JAVA. ” Text is represented in binary Java compiler runs ... prog1 .java prog1.class Trang 20 Running Your Own Java Program Enter the program source code in a data file using an editor Transform the source program into machine language or Java Bytecode
Ngày tải lên: 11/01/2020, 19:29
Lecture An introduction to computer science using java (2nd Edition): Chapter 3 - S.N. Kamin, D. Mickunas, E. Reingold
... 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 • It is possible to perform arithmetic ... 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 ... to test double expressions for equality and obtain a correct result due to rounding errors in representations Mixing Numeric Data Types • Java will automatically convert int expressions to
Ngày tải lên: 11/01/2020, 20:03
Lecture An introduction to computer science using java (2nd Edition): Chapter 9 - S.N. Kamin, D. Mickunas, E. Reingold
... 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 ... of two-dimensional arrays to represent grids of information • show how computer graphics are generated using pixels Nested for Loops • Nested loops frequently used to process twodimensional ... main computation is done • Example: for (i = 0; i < m; I++) { before inner loop for (j = 0; j < n; j++) body of inner loop after inner loop }; Dependent for Loops • Sometimes the extent of
Ngày tải lên: 11/01/2020, 20:21
Lecture An introduction to computer science using java (2nd Edition): Chapter 15 - S.N. Kamin, D. Mickunas, E. Reingold
... 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: • describe the java. io package ... objects Java provides constructors for each class • The StringBuffer class also contains a ToString method to allow easier output Sequential Files • Files are stored are stored on disks • In this ... Programmers often need to read or write files stored on disks File Input • Java classes that support file input are found in the java. io package • FileReader allows us to open a file for reading • BufferedReader
Ngày tải lên: 11/01/2020, 20:25
Lecture An introduction to computer science using java (2nd Edition): Chapter 10 - S.N. Kamin, D. Mickunas, E. Reingold
... 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 Preview In ... sprintr is an example of an overloaded method in Sformat Modular Development • Top-down approach – problem is viewed from the top and written in outline form – the outline is refined by looking at ... one instance per object • Created by adding the modifier static to the variables declaration • Allows variables to be modified once for all class objects • Can be accessed by class methods Class
Ngày tải lên: 11/01/2020, 20:29
Tài liệu An introduction to Neural Networks pptx
... > for al l inputs x 1 . Now dene cos w w =kw k. When according to the perceptron learning 1 Technically this need not to be true for any w w x could in fact be equal to 0 for ... For binary units, one can prove that this architecture is able to p erform any transformation given the correct connections and weights. The most primitive is the next one. For a given transformation ... pth input pattern vector x p j the j th elementofthepth input pattern vector s p the input to a set of neurons when input pattern vector p is clamp ed (i.e., presented to the network) often:...
Ngày tải lên: 20/12/2013, 19:15
Tài liệu Statistical Analysis with Excel For Dummies, 2nd Edition pdf
... Excel formulas. Autofilling cells The first is autofill, Excel’s capability for repeating a calculation throughout a worksheet. Insert a formula into a cell, and you can drag that formula into ... having to direct Excel to per- form a sequence of calculations. As newbies and veterans know, formulas are the business end of Excel. The data analysis tools go beyond the formulas. Each tool ... Excel to total up the numbers in the cells in the four columns immediately to the left. Now for another possibility. Suppose I want to know each row total’s propor- tion of the grand total (the...
Ngày tải lên: 21/02/2014, 10:20
Statistical Analysis with Excel For Dummies, 2nd Edition pdf
... Excel formulas. Autofilling cells The first is autofill, Excel’s capability for repeating a calculation throughout a worksheet. Insert a formula into a cell, and you can drag that formula into ... having to direct Excel to per- form a sequence of calculations. As newbies and veterans know, formulas are the business end of Excel. The data analysis tools go beyond the formulas. Each tool ... repeating a formula from cell to cell. The formulas are usually more complex than the ones in this section, and you might have to repeat them many times, so it pays to know how to autofill. Referencing...
Ngày tải lên: 06/03/2014, 23:21
BASIC TACTICS FOR LISTENING (2nd Edition)
... like to learn someday, but I dont like Page 27 of â Oxford University Press Basic Tactics for Listening, 2nd ed. A: Where? B: To McDonald’s. Yeah, I walk there about four times a week to get ... Hey, Jack, let’s go for coffee after class on Monday. B: Oh, sorry. I have to go downtown. I have an appointment. A: Oh, okay. 4. A: Betty, do you want to come over to my house for dinner Wednesday? B: ... Everybody likes her. She’s an actress. A: Really? I’d like to meet her. Page 7 of â Oxford University Press Basic Tactics for Listening, 2nd ed. to sweat. I love chess and often play with my younger...
Ngày tải lên: 18/08/2013, 11:54
Introduction to Wireless Networks
... connected to the BS and relayed voice calls to it. In order to place a call from a fixed phone to an MTS terminal, the caller first called a special number to connect to an MTS operator. The caller informed ... MSCs are also responsible for assigning channel sets to the various cells. Introduction to Wireless Networks 3 1.2.4 Security Although security is a concern for wireline networks as well, it is ... support for 115.2 kbps by letting each phone use eight different codes to perform eight simultaneous transmissions. Wireless Networks6 to 2 Mbps) in order to remove the deficiency of 2G systems for...
Ngày tải lên: 29/09/2013, 21:20
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