sams teach yourself advanced c in 21 days download

... 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 Color,

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 ... spent introducing user interface components, so you will learn more about them tomorrow. If you have web access, you can find out what classes are in the Swing package by visiting Sun’s online documentation

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) ... 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 ... 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

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();... ... 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, ... code Given: public class ClassType { public static void main(String[] arguments) { Class c = String.class; try { Object o = c. newInstance(); if (o instanceof String) System.out.println(“True”);

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

... public class Guestbook { 4: public static String filterString(String input) { 5: input = replaceText(input, ‘^’, ‘ ‘); 6: input = replaceText(input, (char)13, ‘ ‘); 7: input = replaceText(input, ... 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) ... < input.length(); i++) { 53: char inChar = input.charAt(i); 54: if ((inChar >= ‘A’) & (inChar <= ‘Z’)) { 55: inChar += 13; 56: if (inChar > ‘Z’) 57: inChar -= 26; 58: } 59: 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 ... 60: * being repainted. 61: */ 62: public void paint(Graphics screen) { 63: Graphics2D screen2D = (Graphics2D)screen; 64: screen.drawString(“Name: “ + name, 5, 50); 65: screen.drawString(“Date:

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

... solution: DECLARE v_String1 VARCHAR2(60) := CONCAT(‘Connect String1 to’, ‘ String2’); v_String2 VARCHAR2(60) := ‘Connect String1 to’ || ‘ String2’; BEGIN DBMS_OUTPUT.PUT_LINE(v_String1); DBMS_OUTPUT.PUT_LINE(v_String2); END; / Your ... everything checks out, the building constructor is called in lines 37–44 to actually create the building object, which is then returned to the calling program (see line 46) The PL/SQL block at ... triggers are enforcing a business rule, enforcing security, logging changes, replicating data, and calculating column values. Exercises 1. Write a set of triggers to maintain the emp_name and

Ngày tải lên: 21/01/2014, 18:20

... (Platinum Technology Inc.), 11 SQLCODE function, 160, 211 -212 SQLERRM function, 160, 211 -212 SQLJ, calling PL/SQL from Java, 578-579 calling procedures and functions, 580, 582 executing blocks, ... 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, ... 143 loops, 121 CURSOR FOR, 254 debugging, 136 FOR, 121- 122, 146 common errors, 124 EXIT statement, 140 listing, 121 nesting, 121 guidelines, 147 incrementing through, 123-124 listing, 123 infinite,

Ngày tải lên: 26/01/2014, 15:20

... a million copies sold. Bud’s recent books include Sams Teach Yourself Google Places in 10 Minutes and Sams Teach Yourself iPad in 10 Minutes. He also is the author of the upcoming Using the Apple ... 15 Search Engine Optimization and AdWords 18 Summary 20 2 Creating an AdWords Account 21 Using a Google Account 21 Creating a Business Google Account 24 Signing Up for Your Gmail and Google Account ... the ones in, say, Chicago You can place your AdWords ad in Chicago only or even in specific areas of Chicago (You’ll have to try geographic targeting in your area, as described in Lesson

Ngày tải lên: 22/03/2014, 21:20

... 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

... (Sylvain Faust Inc.), 11 SQL-Station (Platinum Technology Inc.), 11 SQLCODE function, 160, 211 -212 SQLERRM function, 160, 211 -212 SQLJ, calling PL/SQL from Java, 578-579 calling procedures and functions, ... 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 ... place when you are executing code on a client. The name of that package is TEXT_IO , and it also contains an entry point named PUT_LINE . Take the code shown in Listing 1.2, replace the calls...

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

... reduce the total lines of coding and take a modular approach to writing code. You can retype in each PL/SQL block the same repetitive lines of code, or you can write a function. Then, you can call ... When I am comparing strings, especially when comparing a CHAR string to a VARCHAR2 string, is there a convenient way to tell PL/SQL to ignore any trail- ing spaces in the CHAR string? A Yes. ... 995.99 PL/SQL procedure successfully completed. The code in Listing 3.10 illustrates some common implicit conversions. The first assignment, in line 11, causes no conversion at all because a string is...

Ngày tải lên: 07/11/2013, 20:15

... try using recursion to calculate the factorial of an integer. First, you need to create the function FACTORIAL by executing the code in Listing 5.24. L ISTING 5.24 Creating the FACTORIAL Recursive ... decimal point. • NLS_CURRENCY —Specifies the local currency. • NLS_ISO_CURRENCY —Characters to represent the ISO currency symbol. You can make some decent format attempts for numbers in a column. ... v_Calc NUMBER := 0; 3: BEGIN 4: WHILE v_Calc >= 10 LOOP 5: v_Calc := v_Calc + 1; 6: DBMS_OUTPUT.PUT_LINE(‘The value of v_Calc is ‘ || v_Calc); 7: END LOOP; 8: END; 9: / In Listing 5.7, the condition...

Ngày tải lên: 15/12/2013, 05:15

... PUT_LINE command line that you can include inside a procedure. L ISTING 7.2 The PUT_LINE Command Within a Procedure CREATE OR REPLACE PROCEDURE emp_change_s (i_emp_id IN integer) AS BEGIN UPDATE ... the specification declares a function and two procedures. Then the package body contains the actual logic for the items declared in the specification: CREATE PACKAGE employee_maint AS Procedure ... place too many items in the package specification; specifically, avoid placing in the package specification items that need to be compiled. Changes to a package body do not require Oracle to recompile...

Ngày tải lên: 15/12/2013, 05:15