introduction to computer science with python and pygame

... is Computer Science? You might be surprised to learn that computer science is not the study of computers A famous computer scientist named Edsgar Dijkstra once quipped that computers are to computer ... 2, 150 level 3, 151 top-level, 148 RAM (random access memory), random, 145 random library, 145 functions random, 145 randrange, 145 random numbers, 144 random walk, 159 randrange, 145 range, ... kinds of computers You might be familiar with Macintoshes and PCs, but there are literally thousands of other kinds of computers both real and theoretical One of the remarkable discoveries of computer

Ngày tải lên: 25/03/2017, 17:07

... Solver will automatically include them and it is not necessary to add them to a formulation F 2-17 The line forming the boundary of what is permitted by a constraint is referred to as a parameter ... flour, and 1 ounce of salt to produce A box of Classic crackers requires 3 ounces of sugar, 8 ounces of flour, and 2 ounces of salt to produce Profits are 40 cents for a box of Deluxe crackers and ... these calculators Each A-100 requires 15 minutes to produce while each B-200 requires 30 minutes to produce The firm forecasts that it could sell a maximum of 4,000 of the 100s this week and a maximum

Ngày tải lên: 11/11/2017, 10:44

... coproduct and inventory The third type of LP problem arises from the available-to-promise models The objective is to maximize the total available production subject to production and inventory balance ... Samsung to forecast sales more accurately and so to carry less inventory Shorter lead times also meant happier customers and a more efficient feedback mechanism, which allowed Samsung to respond to ... the total cost and the revenue The total cost includes the operating costs and the penalties for shortage and capacity violation The constraints include carcass availability, production, inventory

Ngày tải lên: 28/02/2019, 16:51

... coproduct and inventory The third type of LP problem arises from the available-to-promise models The objective is to maximize the total available production subject to production and inventory balance ... Samsung to forecast sales more accurately and so to carry less inventory Shorter lead times also meant happier customers and a more efficient feedback mechanism, which allowed Samsung to respond to ... carcass availability, production, inventory and demand balance equations, and limits on the production and inventory The second LP problem solved is that of capable-to-promise models This is basically

Ngày tải lên: 28/02/2019, 15:00

... Trang 1   Chapter 7 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, ... 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

... Chapter Iteration Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold     Chapter ... 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 in data entry and computer animation     while

Ngày tải lên: 11/01/2020, 18:43

... (ArrayIndexOutOfBounds ae) { if ( able to handle error ) handle it } else throw ae; } … }     finally Clause • When exception is thrown control is transferred to method containing the catch block to handle ... throw e is used to signal the occurrence of an exception and return control to the calling method and e refers to an exception object The statement try/catch allows the calling method to “catch” the ... Chapter 12 Inheritance and Exceptions Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E

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 ... technique 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 ... used to simplify the design of complex algorithms • present several well known recursive algorithms (e.g quicksort, merge sort, Guaussian elmination) • introduce the linked list data structure and

Ngày tải lên: 11/01/2020, 18:46

... 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, E Reingold Trang ... show how a program 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 highly interactive ... 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

... Trang 1   Chapter 5 Classes and Methods II Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, ... 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

... 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 ... Frame(“Two Buttons Frame”); redButton = new Button(“Red” ); blueButton = new Button(“Blue”); Trang 7UML Notation The filled diamond represents composition This shows that the class TwoButtons contains

Ngày tải lên: 11/01/2020, 19:02

... Trang 1   Chapter 2 Classes and Methods I Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) byS.N Kamin, D Mickunas, E ... source listings to make things more readable • comments – lines beginning with two slashes // – single or multiple lines enclosed by /* */ – that allow the programmer to insert notes to help other ... particular value to a data location Trang 10– Must begin with a letter (upper- or lower-case)– May be followed by any number (including 0) of letters and digits – The characters $ and _ are considered

Ngày tải lên: 11/01/2020, 19:06

... 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 ... • Swap A[0] and A[min] so A[0] contains the smallest element and A[1] A[n-1] not sorted • Now the smallest element among the elements A[1] A[n-1] and call it A[min] • Swap A[1] and A[min] so ... 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 in

Ngày tải lên: 11/01/2020, 19:27

... pervasive — easy to create multiple objects of the same type — easy to create similar objects without having to rewrite the overlapping code ¢ OOP makes programs easier to understand and more reliable ... 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 ... designed carefully and Trang 22 Java ¢ applications — stand-alone programs that run on you own computer — can read and write data on your disk disk ¢ applets — executed from within a browser

Ngày tải lên: 11/01/2020, 19:29

... parentheses or within parentheses a Evaluate *, /, or % before + or – b Evaluate sequences of *, /, and % operators from left to right c Evaluate sequences of + and – operators from left to right   ... 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 • It is possible to perform ... type 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

... Trang 1   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, ... 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] ... ***** Trang 8   Two-Dimensional Arrays • Declaration similar to one dimensional arrays • Need to specify both the number of rows and columns during allocation • Example: final int COLS = 6,

Ngày tải lên: 11/01/2020, 20:21

... Trang 1Chapter 15Text Processing and File Input/Output Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, ... StringBuffer class • show how files can be read and written • discuss how to handle file input and output exceptions • demonstrate how to perform console input and output Trang 3• Java provides a number ... 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

Ngày tải lên: 11/01/2020, 20:25

... Trang 1Chapter 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, ... associated with an object • Is not invoked by sending it as a message to an object • The class method f in the class C is invoked using the notation f.C( … ) • It has no receiver and cannot refer to ... instance variables • It can refer to and manipulate class variables Trang 6Classes with No Instance Variables or Methods • Some classes only contain class variables and methods • Since these classes

Ngày tải lên: 11/01/2020, 20:29

... 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 ... 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

... Chapter 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, ... sent to objects • Objects respond to messages that are in their protocols or interfaces     Objects • Encapsulate data values within a single entity • Their behavior is often general enough to ... is stored on the system heap • A client is program that uses an object         Client Rights • To declare variables of the class type • To create instances of the class using constructors • To

Ngày tải lên: 15/05/2020, 22:27