Programming in java

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The unit in procedural programming is function, and unit in object-oriented programming is class Procedural programming concentrates on creating functions, while object-oriented programming starts from isolating the classes, and then look for the methods inside them. Procedural programming separates the data of the program from the operations that manipulate the data, while object-oriented programming focus on both of them

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The Java standard APIs are shown in HTML output at http://java.sun.com/j2se/1.4.2/docs/api/index.html. It’s generated from the documentation comments (doc comments). Documentation comments are special comments in the source code that are delimited by the /** ... */ delimiters. The JDK contains a tool named javadoc to generate HTML documentation from documentation comments in your source file. The javadoc utility extracts information for the following items Public classes and interfaces Public and protected methods Public and protected fields Packages...

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A collection is a data structure – actually, an object – to hold other objects, which let you store and organize objects in useful ways for efficient access Check out the java.util package! Lots of interfaces and classes providing a general collection framework. Programmers may also provide implementations specific to their own requirements

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Procedural vs. Object-Oriented Programming The unit in procedural programming is function, and unit in object-oriented programming is class Procedural programming concentrates on creating functions, while object-oriented programming starts from isolating the classes, and then look for the methods inside them. Procedural programming separates the data of the program from the operations that manipulate the data,

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A java application can run inside a JVM and can only invoke the methods of the classes available inside this JVM • Distributed computing or processing resolves around clientserver technology where several client programs communicate with one or more server applications.An RMI application has to expose methods, which remote clients can invoke. • These methods which are meant to be remote, should be defined in an interface which extends the java.rmi.Remote interface

19p blackfalconbm 07-11-2012 100 38   Download

An object-oriented programming language developed by Sun Microsystems Also a platform to support Java applications (technology) A little bit history 1991: A team led by James Gosling at Sun Microsystems developed Oak, for use in embedded consumer electronic appliances 1995: renamed Java -redesigned for developing Internet applications (Java 1.0 1.1). 1998: Sun announced the Java 2 platform (1.2,1.3,1.4) 2005 -Now: Java 5 (Java 1.5 -newest version 1.7)

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Outline: Classes, Working with objects, Attributes, methods, and access control, Constructors. Readings: Java how to program, chapter 3, 8. A Java program is a collection of objects. Each class is specified in one source file (file name is the same with class name), Every line of code you write in Java must be inside a class (not counting import directives), Increase modularity, Easier to modified code, shorter compile time.

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Lớp và đối tượng trong Java .Nội dung Định nghĩa lớp Thuộc tính Phương thức Kiểm soát truy cập Phương thức khởi tạo Thao tác với đối tượng Nguyễn Việt Hà Lớp và đối tượng trong Java 2 .Tài liệu tham khảo Thinking in Java, chapter 1, 2 Java how to program, chapter 8 Nguyễn Việt Hà Lớp và đối tượng trong Java 3 .Định nghĩa lớp Lớp được định nghĩa bởi class class_name { ... } Ví dụ: class MyDate { } Nguyễn Việt Hà Lớp và đối tượng trong Java 4 .Đối tượng Đối tượng được thao tác thông qua tham chiếu Tham chiếu đóng vai trò gần giống như một con trỏ Đối tượng...

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This document lists Java coding recommendations common in the Java development community. The recommendations are based on established standards (see for instance [1], [2], [3], [4] and [5]) as well as feedback from a huge number of software professionals around the world. Main drawback with existing guidelines is that these guides are far too general in their

13p ntgioi120403 06-11-2009 109 19   Download