'Public void init' diaporamas de présentation

1052 Series for Graphics Graphics, Applets Graphical User Interfaces

1052 Series for Graphics Graphics, Applets Graphical User Interfaces. Outline - Chapter 2. Graphics Applets Drawing Shapes. Introduction to Graphics. The last few sections of each chapter of the textbook focus on graphics and graphical user interfaces

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Introduction

Section 15.1. Introduction. Layout of Chapter 15. This final chapter is special and focuses primarily on graphics. There are no homework exercises, quizzes or tests with this chapter. However, there are 2 MAJOR Lab Projects based on the information in this chapter.

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Chapter 9: Applets

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Layout Managers

Layout Managers. Arranging Elements in Windows. Agenda. How layout managers simplify interface design Standard layout managers FlowLayout, BorderLayout, CardLayout, GridLayout, GridBagLayout, BoxLayout Positioning components manually Strategies for using layout managers effectively

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Animation Revisited

Animation Revisited. The Timer class is in Swing. Animation can be done without using the Timer class. Using threads. Example: Rebound2.java. import java.applet.Applet; import java.awt.*; public class Rebound2 extends Applet implements Runnable {

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Java

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Graphical User Interfaces (GUI)

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Abstract Classes

Abstract Classes. An abstract class is a class with partial implementation. It implements behaviors that are common to all subclasses, but defers to the subclasses to implement others ( abstract methods ). Abstract methods must be implemented in each non-abstract subclasses.

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Applets

Applets. In the context of Java, the term Applet refers to a small app distributed on the internet as bytecode and run in a browser plug in that provides a JVM

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System development with Java

System development with Java. Instructors: Rina Zviel-Girshin Lecture 12. Overview. LayoutManagers FlowLayout BoarderLayout GridLayout. LayoutManager. The LayoutManager class lets you control the locations of individual components in Java applets.

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Java Applets: GUI Components, Events, Etc.

Java Applets: GUI Components, Events, Etc. Ralph Westfall June, 2010. What Is an Applet?. a special Java class that doesn't run in a DOS window runs in a web browser on client, in a window, on a HTML page

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Java Swing

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A Brief Overview of the Abstract Windowing Toolkit (AWT)

A Brief Overview of the Abstract Windowing Toolkit (AWT). Motivation. Typical Frame setup. BorderLayout, FlowLayout, GridLayout. Component class hierarchy User events Graphics contexts Handling mouse events. Motivation.

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Applets and Graphics

Applets and Graphics. Introduction. One of the most important features of Java is its ability to draw graphics. We can write Java applets that can draw lines, figures of different shapes, images, and text in different fonts, styles, and colours.

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Button ??

Button ??. Button ??. Button ??. public class ko12_1 extends Applet implements ActionListener { Label lb=new Label(" ???? :"); TextField tf1=new TextField(25); Button bn=new Button(" ?? "); TextField tf2=new TextField(25); public void init() { add(lb);

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Strategy Pattern

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Programming in Java

Programming in Java. Graphics and Graphical User Interfaces. Display of AkmMimic. Classes used in Mimic. Display Components. Basic code to display components import java.applet.Applet; import java.awt.*; public class AkmMimic extends Applet { public void init () {

171 views • 16 slides

GATE Applications as Web Services

GATE Applications as Web Services. Ian Roberts. Introduction. Scenario: Implementing a web service (or other web application) that uses GATE Embedded to process requests. Want to support multiple concurrent requests Long running process - need to be careful to avoid memory leaks, etc.

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What is Java?

What is Java?. Java technology is both a programming language and a platform ;. Programming Language :. Modern high-level language (Simple, Architecture neutral, Object oriented, Portable, Distributed, High performance, Interpreted, Multithreaded, Robust, Dynamic, Secure).

467 views • 12 slides

A JAVA Program for International Arbitrage

A JAVA Program for International Arbitrage. Contents of my Presentation. He Zhang 1814665. A JAVA Program for International Arbitrage. Environment. Applying Computer methods to the process of analyzing finance and economy will do help to improve the efficiency of working.

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