... 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 Trang 2 Chapter ... a variable referring to the receiver of the message Trang 22 this – Chaining Constructors • “this” can be used to simplify constructor code by allowing one constructor to call another • We ... 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 the class public interface
Ngày tải lên: 11/01/2020, 18:40
... Predefined Java Packages 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 for ... 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 Trang ... Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold Trang 2 Chapter Preview In this chapter we will: • show how to organize
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
... Trang 1Chapter 14Recursion Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by Trang 2Chapter PreviewIn this chapter we will: • introduce ... to solve subproblems Trang 5Counting Digits in JavaTrang 6• Use f(y) to compute f(x)• For this to work, there has to be at least one value of x for which f(x) can be computed directly (e.g these ... method would be added to IntList public int length() { Trang 28Converting List to String• This method would be added to IntList public String toString() { String myValue = Integer.toString(value);
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
... Trang 1Chapter 11 Java AWT Part |: Mouse Events (Optional) Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, ... Windowing Toolkit (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 ... labeled optional, itis not possible to be a complete Java programmer without understanding the AWT Trang 4Java Events Events are occurrences outside of the program to which the program must respond
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
... Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold Trang 2 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 ... initialized to default values if no initializers are found – integers and doubles are initialized to 0 – characters are initialized to the null character (ASCII code 0) – booleans are initialized to
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
... public class TwoButtons extends Frame { Button redButton, blueButton; public TwoButttons() { super(“Two Buttons Frame”); redButton = new Button(“Red” ); blueButton = new Button(“Blue”); Trang ... possible to use inheritance to allow TwoButtons to become a frame tn Its own right ¢ Note that the UML diagram will show TwoButtons as a subclass of Frame ¢ You will need to use super ( )to set ... Trang 4Can use pack( ) to set size to accommodate preferred sizes of components) Trang 5f = new Frame(“Two Buttons Frame”); redButton = new Button(“Red” ); blueButton = new Button(“Blue”); Trang
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) byS.N Kamin, D Mickunas, E Reingold Trang 2 Chapter Preview In this chapter we will: • describe structure of Java ... techniques for creating and using class instances • introduce two classes for doing output: – OutputBox for text output – DrawingBox for graphical output Trang 3 Trang 4 Trang 5 Running Java ... 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 Trang 6 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
... 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 ... Subscripts • Array subscripts do not have to be constants • Array subscripts do need to be integer expressions that evaluate to valid subscript values for the current array allocation • Examples: ... believe your application will need • If you guess too low, you will still run out of space • You do not need to use all the elements in an array (but total computer memory is finite) Trang 16 Trang
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 1Chapter 1 What is Programming? Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold Trang 2Chapter Preview ... 0,.0,,0,0, 128, 192, 128; 0; 05 +0 Trang 20Running Your Own Java Use an interpreter to execute the compiled program (e.g Java) Return to the editor to correct any errors (or bugs) and start the cycle ... 8Object-Oriented Programming and Java ¢ The use of OOP in Java Is pervasive — easy to create multiple objects of the same type — easy to create similar objects without having to rewrite the overlapping
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
... Trang 1 Chapter 3 Fundamental Data Types of Java Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) byS.N Kamin, D Mickunas, E Reingold Trang 2 ... is legal to assign a n int to an char variable char c = 97; // assigns ‘a’ to c • It is possible to perform arithmetic on char variables char ch = ‘a’; ch = ch + 1; // assigns ‘b’ to ch ... int is not infinitely large and it is possible to compute a value incorrectly because the value is too large to be stored in an int variable storage location • Unlike the real numbers in mathematics
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
... Row Totals double [] yearTotals = new double[ROWS]; for (y = 0; y < ROWS; y++) { // compute total for year y yearTotals[y] = 0.0; for (s =0; s < COLS; s++) yearTotals[y] = yearTotals[y] ... Chapter 9 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 Trang 2 Chapter ... 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 }; Trang 4 Dependent for Loops • Sometimes the extent
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 Trang 2Chapter PreviewIn this chapter we will: • describe the java.io package ... Java provides constructors for each class • The StringBuffer class also contains a ToString method to allow easier output Trang 5Sequential Files• Files are stored are stored on disks • In this ... Programmers often need to read or write files stored on disks Trang 6File Input• Java classes that support file input are found in the java.io package • FileReader allows us to open a file for reading
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
... 10Classes 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 Trang 2Chapter PreviewIn ... an example of an overloaded method in Sformat Trang 9Modular Development• Top-down approach – problem is viewed from the top and written in outline form – the outline is refined by looking ... 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 Trang
Ngày tải lên: 11/01/2020, 20:29
Lecture An introduction to computer science using java (2nd Edition): Chapter 4 - S.N. Kamin, D. Mickunas, E. Reingold
... Trang 1 Chapter 4 Decision Making Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold Trang 2 Chapter ... selector variables in Java switch statements Trang 4 Trang 5 Relational Operators < < less than > > greater than <= less than or equal to >= greater than or equal to = ... at 9:00 today”); out.println(“Math meets at 10:00 today”); break; case TUESDAY: case THURSDAY: out.println(“English meets at 9:00 today”); out.println(“Chemistry meets at 10:00 today”);
Ngày tải lên: 11/01/2020, 20:31
Lecture An introduction to computer science using java (2nd Edition): Chapter 7 - S.N. Kamin, D. Mickunas, E. Reingold
... 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 Trang 2 Chapter ... a variable referring to the receiver of the message Trang 22 this – Chaining Constructors • “this” can be used to simplify constructor code by allowing one constructor to call another • We ... 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 the class public interface
Ngày tải lên: 15/05/2020, 22:27
Lecture An introduction to computer science using java (2nd Edition): Chapter 9 - S.N. Kamin, D. Mickunas, E. Reingold
... Row Totals double [] yearTotals = new double[ROWS]; for (y = 0; y < ROWS; y++) { // compute total for year y yearTotals[y] = 0.0; for (s =0; s < COLS; s++) yearTotals[y] = yearTotals[y] ... Chapter 9 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 Trang 2 Chapter ... 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 }; Trang 4 Dependent for Loops • Sometimes the extent
Ngày tải lên: 15/05/2020, 22:29
Lecture An introduction to computer science using java (2nd Edition): Chapter 12 - S.N. Kamin, D. Mickunas, E. Reingold
... Predefined Java Packages 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 for ... 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 Trang ... Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold Trang 2 Chapter Preview In this chapter we will: • show how to organize
Ngày tải lên: 15/05/2020, 22:33
Lecture An introduction to computer science using java (2nd Edition): Chapter 10 - S.N. Kamin, D. Mickunas, E. Reingold
... 10Classes 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 Trang 2Chapter PreviewIn ... an example of an overloaded method in Sformat Trang 9Modular Development• Top-down approach – problem is viewed from the top and written in outline form – the outline is refined by looking ... 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 Trang
Ngày tải lên: 15/05/2020, 22:34
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
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