... Class: IntClass Class: LongClass 924 928 Class: CharClass 929 Class: FloatClass Class: DoubleClass 929 930 Class: BooleanClass Using PrimitiveType Classes in a Program 931 932 Enumeration Types ... 592 Using Methods of the Superclass in a Subclass Constructors of the Superclass and Subclass 594 600 Protected Members of a Class 609 class object 612 Java Stream Classes 614 Polymorphism Operator ... as explained later in this chapter, main memory stores everything as sequences of 0s and 1s The memory addresses are also expressed as sequences of 0s and 1s SECONDARY STORAGE Because programs...
... Character class – methods 66 String comparisons Basic string methods String length Number/string conversions Miscellaneous String methods The StringBuffer and StringBuilder classes Summary [ ii ... Collections, focuses on the use of arrays, along with the Arrays and ArrayList classes Both single and multidimensional arrays are illustrated The Arrays class is introduced, as it possesses many important ... consider instance methods As we will see in Chapter 6, Classes, Constructors, and Methods, static methods typically access static variables that are shared between objects of a class Regardless...
... circumstances: he is then "vallettus" of the Countess of Ulster and is paid forty shillings and sixty shillings for attending to certain business of the countess [Footnote: Issues, P 212, mem ... the issues of the Castle of Colchester In this document his services as King 's messenger beyond the seas are expressly mentioned [Footnote: Cal Pat Roll, p 367.] He seems to have had custody ... crown, settled all his possessions, in the event of failure of his own issue, except the Castle and town of Pembroke, upon his cousin William de Beauchamp (his mother 's sister 's son) [Footnote: Surrey...
... indicated that the state budget for basic social services had continuously increased since 1990 and had reached 17.1% in 1997 (8.5% of the UN s standards) Assistance in basic social services reached 10% ... the administrative system 5.2 Measures for attracting and speeding up Official Development Assistance disbursement Attracting ODA has many advantages such as a stable political and social environment, ... approaches and standards of classification Enhancing capacity also consists of improvement in people s awareness and building skills for all officers in the whole system To achieve this target,...
... disclose the contents (see Figure 1-1) Access to most business computers and networks is controlled by someone known as a superuser or system administrator (often shortened to sys admin) This system ... name superuser comes from; this individual can anything.) How does the OS know that the person requesting such system overrides is the superuser? The OS grants this access by user name and password ... files permission is given in its Properties screen (b) In UNIX, you type ls -l to see a files permission Attacks on Passwords Many computers or operating systems come with a preset superuser...
... Attributes Specifying Access Attributes Choosing Access Attributes Using Package and Access Attributes Nested Classes Static Nested Classes Using a Non-Static Nested Class Using a Nested Class Outside ... Java So What Are Objects? What Defines a Class of Objects? Operating on Objects Java Program Statements Encapsulation Classes and Data Types Classes and Subclasses Advantages of Using Objects ... Contents Packages and Names in Your Programs Importing Static Class Members Standard Packages Standard Classes Encapsulating the Primitive Data Types Controlling Access to Class Members Using Access...
... samples[3][3] samples[4][0] samples[4][1] samples[4][2] samples[4][3] samples[4][4] samples[5][0] samples[5][1] samples[5][2] samples[5][3] samples[5][4] samples[1] samples[4].length is samples[2] samples.length ... that is shown in Figure 4-5 samples[0][0] samples[0] samples[2].length is samples[1][0] samples[2][1] samples[2][0] samples[2][1] samples[2][2] samples[3][0] samples[3][1] samples[3][2] samples[3][3] ... need to use character strings in most of your programs — headings, names, addresses, product descriptions, messages — the list is endless In Java, ordinary strings are objects of the class String...
... members subclass methods New Members subclass constructors subclass data members subclass methods Members of a Subclass Object Figure 6-3 The base members are all there in a derived class object ... classes have a standard class, Object, as a base, so Object is a superclass of every class You never need to specify the class Object as a base in the definition of your classes — it happens automatically ... yourself creating a superclass from which you will derive a number of subclasses, just to take advantage of polymorphism To cater for this, Java has abstract classes An abstract class is a class...
... different ways, described as sequential access or random access The latter is sometimes referred to as direct access Sequential access to a file is quite straightforward and works pretty much as you ... data to an existing file The term random access is sometimes misunderstood initially Just like sequential access, random access is just a way of accessing data in a file and has nothing to with ... declares are as follows: Interface Method and Description Closeable void close() Closes the source or destination and releases any resources associated with it Channel void close() Closes the...
... BinaryTree that you use to store a series of String objects that are words You use essentially the same process as you used with the integers to obtain the words sorted in ascending sequence ... Collection, so sets, lists, and queues share the characteristics specified by these two interfaces SortedSet and SortedMap are specialized versions of their respective superinterfaces that add ... collections of objects, and they support collections that are sets, lists, queues, and maps, as follows: Class An implementation of a set that uses HashMap under the covers Although a set is by definition...
... Classes, or JFC for short JFC covers not only the Swing component classes, such as those defining buttons and menus, but also classes for 2D drawing from the java. awt.geom package and classes ... Abstract Windowing Toolkit — but many of the classes this package defines have been superseded in Java by javax.swing Note that I said many of the classes, not all Most of the classes in the javax.swing ... java. util.Collections class provides methods for creating synchronized sets, lists, and maps from unsynchronized objects The static synchronizedList() method is a paramteterized method in the Collections class...
... window events Because the WindowHandler class is an inner class to the Sketcher class, it has access to all the members of the class, so calling the dispose() method for the window object is still ... defined in the System class The getID() method is defined in the AWTEvent class, which is a superclass of all the low-level event classes I have discussed, so all event objects that encapsulate low-level ... This listener implements both the MouseListener and MouseMotionListener interfaces so it declares methods for all possible mouse events in a single interface The WindowListener, WindowFocusListener,...
... java. awt.GraphicsEnvironment; javax.swing.JList; javax.swing.ListSelectionModel; javax.swing.JScrollPane; javax.swing.event.ListSelectionListener; javax.swing.event.ListSelectionEvent; Displaying the Selected Font ... is the superclass of the classes encapsulating the primitive numerical types — Integer, Long, Double, etc Number is also the superclass of other classes such as BigDecimal, but only the classes ... static import statement for the constants in the SketcherConstants class: import javax.swing.JSpinner; import javax.swing.SpinnerNumberModel; import static Constants.SketcherConstants.*; You again...
... 29 South Lasalle Street Chicago ... addresses:state, addresses:zip)> Chicago Illinois 60603 Unfortunately, you also have to update the DTD Otherwise, if the qualified...
... interface: setAsciiStream() setBigDecimal() setBinaryStream() setBoolean() setByte() setBytes() setDate() setDouble() setFloat() setInt() setLong() setNull() setObject() setShort() setString() setTime() ... particular SQL types that don’t readily map to a standard Java data type A ResultSet class object has methods for accessing data of these special types The ResultSet class also defines methods that ... standard defines specific subclasses and also provides the value 000 as a general subclass Specific database implementations may define state subclasses of their own using the values 900 through...
... Attributes Specifying Access Attributes Choosing Access Attributes Using Package and Access Attributes Nested Classes Static Nested Classes Using a Non-Static Nested Class Using a Nested Class Outside ... Java So What Are Objects? What Defines a Class of Objects? Operating on Objects Java Program Statements Encapsulation Classes and Data Types Classes and Subclasses Advantages of Using Objects ... Contents Packages and Names in Your Programs Importing Static Class Members Standard Packages Standard Classes Encapsulating the Primitive Data Types Controlling Access to Class Members Using Access...
... business calculations, so calculations take less time to execute OLAP systems make the analysis process easy for analysts by supporting tools they already use For example, many OLAP systems support ... Case Studies To get a sense of how the two Oracle OLAP solutions differ in a real-world setting, let s take a look at some case studies Essbase Case Studies For the Essbase case studies, we examine ... companies He has managed numerous data warehouse and BI implementations His most recent work includes several Oracle Express and Oracle OLAP-based analysis systems Chris speaks and teaches at several...
... Assessment Test Chapter xxxi Java Building Blocks Understanding the Java Class Structure Fields and Methods Comments Classes vs Files Writing a main() Method Understanding Package Declarations ... Chapter 5, “Class Design,” adds interfaces and superclasses It also includes casting and polymorphism Chapter 6, “Exceptions,” shows the different types of exception classes and how to use them At ... polymorphism, including overriding and object type versus reference type Determine when casting is necessary Use super and this to access objects and constructors Use abstract classes and interfaces...
... toString equals hashCode Working with Enums Using Enums in Switch Statements Adding Constructors, Fields, and Methods Creating Nested Classes Member Inner Classes Local Inner Classes Anonymous ... immutable classes Develop code that uses static keyword on initialize blocks, variables, methods, and classes Advanced Java Class Design Develop code that uses abstract classes and methods Develop ... Collections This chapter goes beyond ArrayList and shows Sets, Maps, and Queues It also shows new methods in Java on these classes Chapter 4: Functional Programming This chapter explains lambdas...