sams teach yourself advanced c in 21 days pdf

... verb of choice when describing the act of combining two strings—winning out over paste, glue, affix, combine, link, and conjoin. In several examples, you have seen statements that look something ... program that creates StringTokenizer... myCustomer.cancelAllOrders(); Listing 3.3 shows an example of calling some methods defined in the String class Strings include methods for string tests ... modification, similar to what you would expect in a string library in other languages LISTING 3.3 The Full Text of StringChecker .java 1: class StringChecker { 2: 3: public static void main(String[]

Ngày tải lên: 13/08/2014, 08:21

... public static void main(String[] arguments) { 17: System.out.println(“Starting with “ + 18: InstanceCounter.getCount() + “ instances”); 19: for (int i = 0;... Circle(int xPoint, int yPoint, int ... protected static int getCount() { 5: return numInstances; 6: } 7: 8: private static void addInstance() { 9: numInstances++; 10: } 11: 12: InstanceCounter() { 13: InstanceCounter.addInstance(); ... abstract classes and methods for factoring common behavior into superclasses n Grouping classes into packages n Using interfaces to bridge gaps in a class hierarchy 1 46 DAY Simpo6: Packages, Interfaces,

Ngày tải lên: 13/08/2014, 08:21

... consider inheriting from Exception, which forms the “top” of the exception hierarchy for checked exceptions (unchecked exceptions should inherit from RuntimeException). Exception classes typically ... Because throwing, catching, and declaring exceptions are related concepts and can be confusing, here’s a quick summary of when to do what. When to Use Exceptions You can do one of three things ... http://www.simpopdf.com WEEK 2: The Java Class Library 8 Data Structures 9 Working with Swing 10 Building a Swing Interface 11 Arranging Components on a User Interface 12 Responding to User Input 13 Using

Ngày tải lên: 13/08/2014, 08:21

... 7:... file-copying or file-extracting activity 3 c Swing duplicates all the simple user interface components included in the Abstract Windowing Toolkit Certification Practice The following question ... http://www.java2 1days. com. Visit the Day 9 page and click the Certification Practice link. Exercises To extend your knowledge of the subjects covered today, try the following exercises: 1. Create an application ... com.sun.java.swing.plaf.motif.MotifLookAndFeel Name: Windows Class name: com.sun.java.swing.plaf.windows.WindowsLookAndFeel Name: Windows Classic Class name: com.sun.java.swing.plaf.windows.WindowsClassicLookAndFeel). For copyright reasons,

Ngày tải lên: 13/08/2014, 08:21

... interface: n windowActivated(WindowEvent) n windowClosed(WindowEvent) n windowClosing(WindowEvent) n windowDeactivated(WindowEvent) n windowDeiconified(WindowEvent) n windowIconified(WindowEvent) ... http://www.simpopdf.com Several things could cause paintComponent() to be called, including the following: n The graphical user interface containing the component is displayed for the first time n A window ... is called as the window is closing, and the other is called after it is closed. In fact, you can take action in a windowClosing() method to stop the window from being closed. Using Adapter Classes

Ngày tải lên: 13/08/2014, 08:21

... int inChar = 0; do { inChar = in. read(); if (inChar != -1) { char outChar = Character.toUpperCase( (char)inChar ); out.write(outChar); } else eof = true; } while (!eof); in. close(); out.close();... ... text[i] = inText[i]; 41: lineCount = inText.length;... newInstance(Object[]) method to create a new instance using that constructor Inspecting a Class To bring all this material together, Listing 16. ... write(int)—Writes a character n write(char[], int, int)—Writes characters from the specified character array with the indicated starting point and number of characters written n write(String, int,

Ngày tải lên: 13/08/2014, 08:21

... Microsoft Access includes ODBC drivers that can be used to connect to an Access database file. Connecting to an ODBC Data Source Your first project today is a Java application that uses a JDBC-ODBC bridge ... public static void main(String[] arguments) { 5: String data = “jdbc:odbc:WorldEnergy”; 6: try { 7: Class.forName(“sun.jdbc.odbc.JdbcOdbcDriver”); 8: Connection conn = DriverManager.getConnection( ... you can move through a resultset once from start to finish, after which you can’t retrieve its contents again. When you’re finished using a connection to a data source, you can close it by calling

Ngày tải lên: 13/08/2014, 08:21

... http://www.simpopdf.com [...]... (char)10, ‘ ‘); 8: return input; 9: } 10: 11: private static String replaceText(String inString, char oldChar, 12: char newChar) { 13: 14: while (inString.indexOf(oldChar) ... public class Guestbook { 4: public static String filterString(String input) { 5: input = replaceText(input, ‘^’, ‘ ‘); 6: input = replaceText(input, (char)13, ‘ ‘); 7: input = replaceText(input, ... < input.length(); i++) { 40: char inChar = input.charAt(i); 41: if ((inChar >= ‘A’) & (inChar <= ‘Z’)) { 42: inChar += 13; 43: if (inChar > ‘Z’) 44: inChar -= 26; 45: } 46: if ((inChar

Ngày tải lên: 13/08/2014, 08:21

... also can add specific files to a Java archive with a command such as the following: jar cf MusicLoop.jar MusicLoop.class muskratLove.mp3 shopAround.mp3 This creates a MusicLoop.jar archive containing ... command creates Java documentation for AppInfo2 in a folder called C: \JavaDocs\: javadoc -author -version -d C: \JavaDocs\ AppInfo2.java The following list details the other tags you can use in ... http://www.simpopdf.com The javadoc tool also can be used to document an entire package by specifying the package name as a command-line argument. HTML files will be created for each .java file in the package,

Ngày tải lên: 13/08/2014, 08:21

... JavaScript Operators JavaScript has all kinds of operatorsassignment, comparison, arithmetic, bitwise, logical, string, and special Most of them are recognizable from Java; you can find them all listed in Table ... % Returns the integer remainder left after dividing two numbers String Operators + Joins two strings += Concatenates two strings and assigns the result to the first operand Logical Operators ... Shifts the first operand the number of bits to the right given in the second operand, discarding bits shifted off >>> Shifts the first operand the number of bits to the right given in the second operand, discarding bits shifted off, and shifting in zeros from the left

Ngày tải lên: 26/03/2019, 17:13

... DATE, interval IN VARCHAR2, instance IN BINARY_INTEGER DEFAULT any_instance, force IN BOOLEAN DEFAULT FALSE); , Managing Database Jobs 521 The second format uses the WHAT procedure: PROCEDURE ... of the concepts learned today You can practice creating a few procedures, submitting the jobs, immediately executing jobs, viewing jobs, altering a job, and removing a job Creating Procedures ... everyday PL/SQL cursor processing The FETCH in lines 31–32 fetches the data from the cursor into a record You could also fetch the data into a list of variables The DBMS_OUTPUT call in line 36–37 allow

Ngày tải lên: 15/12/2013, 05:15

... SQL*Plus screens the code in Listing 19.3 On the other screen, execute the code in Listing 19.5 to practice updating a record Before you execute the code from Listing 19.3, make sure you change ... still open, execute in one of the SQL*Plus screens the code in Listing 19.3 On the other screen, execute the code in Listing 19.6 to practice deleting a record Before... Procedures 545 By ... with the DBMS_JOB package in Oracle8i. This pack- age handles all jobs by using background processes to check for jobs to execute at a spe- cific interval, and then places them in job queues. To

Ngày tải lên: 15/12/2013, 05:15

... BOOLEAN DEFAULT TRUE, primary_instance IN BINARY_INTEGER... secondary_instance IN BINARY_INTEGER DEFAULT 0, compatible IN VARCHAR2 DEFAULT NULL ); 593 , Advanced Queuing Parameters with default ... operational interface is con- tained in the DBMS_AQ package, and contains entry points allowing you to send and receive messages. To use AQ as described in this chapter, you need to have Oracle8i Enterprise ... collective Java capabilities of Orcale8i? 2. What is the name of Oracle’s Java engine? 3. What command-line utility can you use to load Java source code, SQLJ source code, and Java classes into

Ngày tải lên: 24/12/2013, 12:17

... and its application in C+ + is discussed on Day 12, “Inheritance” and Day 15, Advanced Inheritance.” Inheritance, in computer science, is the creation of new objects from other objects that are ... program. You can include C+ +-style comments within a block that is “commented out” by C- style comments; everything, including the C+ +-style comments, is ignored between the comment marks. Using Comments As ... matter. —J. Mark Hord Teach Yourself ANSI C+ + in 21 Days xxii P2/V3/sqc5 TY ANSI C+ + in 21 30887-6 Casey 2.23.96 FM LP#3 Searching 712 The Straightforward String Search 712 The Binary Search 714 Summary...

Ngày tải lên: 20/10/2013, 17:15

... slower components. Because faster components are typically the most expensive, you must perform a balancing act between speed and cost efficiency. CPU and Cache Teach Yourself Oracle 8 In 21 Days ... for certain functions, including data integrity, recovery from failure, error handling, and so on. This is accomplished via events such as checkpointing, logging, and archiving. The following ... utilities and networking components to connect you to the correct instance. A SID is up to four alphanumeric characters in length and is required in order to connect to an Oracle instance. The SID is...

Ngày tải lên: 07/04/2014, 15:58

... of a Class of Objects 18 Creating a Class 19 Running the Program 21 Organizing Classes and Class Behavior 24 Inheritance 24 Creating a Class Hierarchy 26 Inheritance in Action 28 Single ... about interfaces and packages, which are useful for grouping classes and organizing a class hierarchy. 2 Sams Teach Yourself Java 6 in 21 Days www.it-ebooks.info Overriding Methods 136 Creating ... 532 Certification Practice 532 Exercises 533 xvi Sams Teach Yourself Java 6 in 21 Days www.it-ebooks.info Each class farther down the hierarchy becomes more tailored to a specific purpose. A class...

Ngày tải lên: 24/04/2014, 16:04

... statement in main(). The #include Directive (Line 2) The #include directive instructs the C compiler to add the contents of an include file into your program during compilation. An include file ... for the Indy PC News magazine. Introduction your source code. In the second step, you compile the source code to create an object file. In the third step, you link the compiled code to create ... type within the code appear in italic monospace. New or important terms appear in italic. â Copyright, Macmillan Computer Publishing. All rights reserved. Teach Yourself C in 21 Days - 1 - Getting...

Ngày tải lên: 04/07/2014, 20:21

... CHANGE, 520 CLOSE_CURSOR, 456 COLUMN_VALUE, 463 creating, 190, 192 debugging information, 193 declarative part, 190 defining, 52-53 listing, 53 dependencies, discovering, 192 exception-handling ... 158 TRUNC, 158 numbers absolute values, returning, 158 arc cosines, returning, 158 arc sines, returning, 158 arc tangents, returning, 158 converting to strings, 174-175 converting strings to, ... 190 dropping, 197 invoking, 194, 199 listing information, 195 recompiling, 193-194 storing objects as columns, 345-347 retrieving/updating, 347-349 object tables, 349, 351-356 creating, 350 inserting...

Ngày tải lên: 20/10/2013, 17:15

... 2 Sams Teach Yourself PL/SQL in 21 Days, Second Edition Many of the chapters build on each other. As the book progresses from chapter to chap- ter, topics are covered in more detail and complexity, ... network traffic. Why are these problems? The procedural logic on client machines can quickly become out of sync if the software is upgraded. It can also be implemented incorrectly, resulting in a loss ... Expressions 86 Converting Datatypes 92 Implicit Conversion 92 Explicit Conversion 94 vi Sams Teach Yourself PL/SQL in 21 Days, Second Edition 00 7982 fm 11/30/99 1:24 PM Page vi Please purchase PDF Split-Merge...

Ngày tải lên: 07/11/2013, 20:15

... can be a power- ful construct. If you code a comparison only once, you can go back and change the calculation later without having to find and change several occurrences in your program. It can ... however, can access the value of a_name. 30: name_print; 31: END; 32: / Jeff Gennick Inside nested block Jeff Gennick Jenny Gennick Jeff Gennick Back in the main block Jeff Gennick The code shown in ... ends on line 21. Lines 6 through 9 define the name_print procedure. The variable a_name is declared in the outermost block (see line 4), thus any nested block, procedure, or function has access...

Ngày tải lên: 07/11/2013, 20:15