Java Core API

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This document contains the slides for a presentation given by Marcelo C. Gonçalves on the Java Core API. The presentation covers key packages and classes in the Java language including java.lang for fundamental classes like Object and String, java.util for collections and dates, java.io for file and stream handling, java.net for network functions, java.awt for graphical user interfaces, and java.applet for building applets. Contact information is provided at the bottom.

Tecnologia Educação

Seleção para Instrutor de Informática
Junho / 2009

Candidato: Marcelo C. Gonçalves

Micro-aula – Java Core API

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 2

Micro-aula – Java Core API

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 3

Micro-aula – Java Core API
Pacote java.lang
Classe Object – raiz da hierarquia
Data wrappers – multiplataforma
Integer, Boolean, Character, Float
Math
Math.E, Math.PI, Math.sin, Math.random...
String e StringBuffer
System e Runtime
Thread
Exception
11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 4

Micro-aula – Java Core API

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 5

Micro-aula – Java Core API
Pacote java.util
Date, Calendar, Timezone, DateFormat
Collections API

Random

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 6

Micro-aula – Java Core API

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 7

Micro-aula – Java Core API
Pacote java.io
File
InputStream
BufferedInputStream, StringBufferedInputStream,...
OutputStream
BufferedOutputStream, FileOutputStream,...

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 8

Micro-aula – Java Core API

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 9

Micro-aula – Java Core API
Pacote java.net
InetAddress
Endereços IP
URL
Socket
Comunicação TCP e UDP
Base para implementação de outros protocolos
RMI, CORBA, etc

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 10

Micro-aula – Java Core API

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 11

Micro-aula – Java Core API
Pacote java.awt
Base para interfaces gráficas
Widgets de tela

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 12

Micro-aula – Java Core API
Pacote java.awt
Gerenciadores de layout
GridLayout, FlowLayout, BorderLayout
Componentes gráficos
Canvas, Graphics
Dimension
Point, Rectangle, Line, Polygon
Font, FontMetrics
Renderização de texto, manipulação do espaço de texto

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 13

Micro-aula – Java Core API

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 14

Micro-aula – Java Core API
Pacote java.applet
Classe Applet
Aplicação Java executada por um Browser dentro de uma
página HTML
Segurança
Sandbox – ambiente restrito
Ciclo de vida
Construção de aplicações inteiras, usando as outras
classes do Java

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 15

Micro-aula – Java Core API

FIM

Obrigado

11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 16

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Java Core API

1. Seleção para Instrutor de Informática Junho / 2009 Candidato: Marcelo C. Gonçalves

2. Micro-aula – Java Core API 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 2

3. Micro-aula – Java Core API 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 3

4. Micro-aula – Java Core API Pacote java.lang Classe Object – raiz da hierarquia Data wrappers – multiplataforma Integer, Boolean, Character, Float Math Math.E, Math.PI, Math.sin, Math.random... String e StringBuffer System e Runtime Thread Exception 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 4

5. Micro-aula – Java Core API 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 5

6. Micro-aula – Java Core API Pacote java.util Date, Calendar, Timezone, DateFormat Collections API Random 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 6

7. Micro-aula – Java Core API 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 7

8. Micro-aula – Java Core API Pacote java.io File InputStream BufferedInputStream, StringBufferedInputStream,... OutputStream BufferedOutputStream, FileOutputStream,... 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 8

9. Micro-aula – Java Core API 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 9

10. Micro-aula – Java Core API Pacote java.net InetAddress Endereços IP URL Socket Comunicação TCP e UDP Base para implementação de outros protocolos RMI, CORBA, etc 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 10

11. Micro-aula – Java Core API 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 11

12. Micro-aula – Java Core API Pacote java.awt Base para interfaces gráficas Widgets de tela 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 12

13. Micro-aula – Java Core API Pacote java.awt Gerenciadores de layout GridLayout, FlowLayout, BorderLayout Componentes gráficos Canvas, Graphics Dimension Point, Rectangle, Line, Polygon Font, FontMetrics Renderização de texto, manipulação do espaço de texto 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 13

14. Micro-aula – Java Core API 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 14

15. Micro-aula – Java Core API Pacote java.applet Classe Applet Aplicação Java executada por um Browser dentro de uma página HTML Segurança Sandbox – ambiente restrito Ciclo de vida Construção de aplicações inteiras, usando as outras classes do Java 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 15

16. Micro-aula – Java Core API FIM Obrigado 11/06/09 Marcelo C. Gonçalves - marcelocg@gmail.com - (85) 9674-0096 16

Java Core API

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