mit introduction to computer science and programming using python 2011

... 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 ... turned a couple computer programming classes into a lucrative career option Computers are so commonplace in the business world today that the ability to understand and program computers might ... 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,

Ngày tải lên: 25/03/2017, 17:07

... 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, D ... 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 ... 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

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 ... 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 • ... use of loop invariants to verify the correctness of loops • show the use of loops in data entry and computer animation     while Loop • Repeated executes body of the loop which can be a single or

Ngày tải lên: 11/01/2020, 18:43

... 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 Reingold ... we will: • show how to organize predefined classes using Java packages • how access to methods and variables is controlled • discuss the use of class inheritance to refine and extend classes • ... 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

Ngày tải lên: 11/01/2020, 18:45

... 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: • introduce recursion as a programming ... 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

... Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold Trang 2Chapter Preview In this chapter we will: introduce event driven programming ... 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

... Chapter Classes and Methods II Lecture Slides to Accompany An Introduction to Computer Science Using Java (2nd Edition) by S.N Kamin, D Mickunas, E Reingold ... variables are initialized to the reference value null     Hose Class Methods void getData() // Reads and stores the height and // weight data void compute() // Computes and stores hose size void display() ... getData() 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

Ngày tải lên: 11/01/2020, 19:00

... need to use super ( )to set the frame title Trang 10Frame Inheritance Example public class TwoButtons extends Frame { Button redButton, blueButton; public TwoButttons() { super(“Two Buttons ... or Container Trang 8Using Inheritance ¢ It is 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 ... 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 Reingold ... that allow the programmer to insert notes to help other people understand the program • documentation – program comments and data files describing a program’s structure and behavior Trang 7   Program ... Means it does not return a value to the caller (client) Trang 14– Display text representation of argument and advance output cursor to the next line Trang 15   Using OutputBox import CSLib.*;

Ngày tải lên: 11/01/2020, 19:06

... 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 programming ... 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 ... A[0] A[n-1] and call it A[min] • 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]

Ngày tải lên: 11/01/2020, 19:27

... 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 ... needed in programming ¢ design an algorithm to solve a problem ¢ write a program to implement an algorithm ¢ discuss the importance of object-oriented programming * discuss some basics of computer ... * program — a set of directions telling a computer exactly what to do * programming languages — languages for specifying sequences of directions to a computer ¢ algorithm — a sequence of language

Ngày tải lên: 11/01/2020, 19:29

... 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 ... /, or % before + or – b Evaluate sequences of *, /, and % operators from left to right c Evaluate sequences of + and – operators from left to right     Precedence Examples • Example + 37 % / ... 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

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] ... two-dimensional arrays to represent grids of information • show how computer graphics are generated using pixels Trang 3   Nested for Loops • Nested loops frequently used to process two-dimensional

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, E ... 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, D ... 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 ... will: • introduce class variables and class methods – class variables have only one instance and are not contained in any object – class methods have no receiver and can only access class variables

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 2  ... 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, D ... 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 ... describe the class interface and how it responds to each client message • Constructors definitions – describe how to initialize instance variables in a new object     Constructors • Look like regular

Ngày tải lên: 15/05/2020, 22:27

... 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] ... two-dimensional arrays to represent grids of information • show how computer graphics are generated using pixels Trang 3   Nested for Loops • Nested loops frequently used to process two-dimensional

Ngày tải lên: 15/05/2020, 22:29

... 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 Reingold ... we will: • show how to organize predefined classes using Java packages • how access to methods and variables is controlled • discuss the use of class inheritance to refine and extend classes • ... 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

Ngày tải lên: 15/05/2020, 22:33

... 1 ME-430 INTRODUCTION TO COMPUTER AIDED DESIGN TORSIONAL ANALYSIS Using Pro/MECHANICA Pro/ENGINEER Wildfire 2.0 Dr. Herli Surjanhata The U-Joint shown in the figure below is made of steel. A torsion ... bottom of the cut with R = 0.05 inch. Change the units to IPS (inches-pounds-seconds) by selecting 9 Pick on the surface (region), and locate the point with respect to top ... tab, and change the type to Displacement, and the Component to Magnitude. Check Overlay Undeformed in the Display Options tab. Click the OK and Show button. 24 Notice...

Ngày tải lên: 19/01/2014, 05:20