Lecture Notes for JAVA

Lecture Notes for JAVA
Krmoll’s
email: {andrey,molli}@loria.fr
web: http://www.loria.fr/˜molli,andrey
ESIAL, Universit´edeNancyI,
IUT de Dijon, Universit´e de Bourgogne
August 26, 1998
JAVA IN
HANOI
1

Pascal Molli ([e-mail]) 2 ESIAL Nancy

CONTENTS CONTENTS
Contents
1 Introduction 6
2 The Java Programming Language 19
2.1 Overview ...................................... 19
2.2 CompilationandExecution ............................ 21
2.3 ClassesandObjects ................................ 27
2.3.1 ClassesandObjects ............................ 27
2.3.2 InstantiationandConstructors ...................... 32
2.3.3 ClassesandEncapsulation......................... 34
2.3.4 Arrays.................................... 36
2.3.5 GarbageCollectorsvsDestructors .................... 38
2.3.6 ClassFields,ClassMethods........................ 45
2.4 Inheritance ..................................... 51
2.4.1 OverviewandSimpleExample ...................... 52
2.4.2 InheritanceandConstructors ....................... 54
2.4.3 Hiding,Overriding,Overloading... .................... 59
2.5 Polymorphism.................................... 64
2.5.1 Overview .................................. 64
2.5.2 Polymorphism,inheritanceandabstractclasses............. 65
2.5.3 AbstractandFinalClasses ........................ 68
2.5.4 PolymorphismandInterfaces ....................... 73
2.5.5 InterfacesvsMultipleInheritance..................... 76
2.6 InheritanceandEncapsulation .......................... 80
2.6.1 InheritanceandPrivate .......................... 80
2.6.2 EncapsulationandOverriding....................... 81
2.6.3 ProtectedModifier............................. 84
2.7 Exceptions ..................................... 86
2.7.1 AnatomyandLifeCycle.......................... 86
2.7.2 Throwing .................................. 88
2.7.3 Propagation . . . . ............................. 89
2.7.4 Catching .................................. 90
2.7.5 Execution.................................. 92
2.7.6 ObfuscatedExamples ........................... 92
2.8 Conversions..................................... 97
2.8.1 Primitivestypesandconversion/promotions............... 97
2.8.2 ExplicitConversionsandWrappers....................101
2.8.3 ImplicitConversionandOverloading...................102
2.8.4 Conversionofreferencesandinheritance.................103
2.8.5 GenericclassesandConversions .....................105
2.9 Packages.......................................107
2.9.1 PackageandNaming............................108
2.9.2 Publicclasses,Packageclasses ......................111
2.9.3 Public,Private,ProtectedandPackage .................116
2.9.4 Package,EncapsulationandInheritance .................118
3 Threads 122
3.1 Overview ......................................122
3.2 Example.......................................123
3.3 ThreadsAttributes.................................125
3.3.1 TheStatesoftheThreads.........................125
3.3.2 Priorities ..................................126
3.3.3 Threaddaemons ..............................135
3.3.4 GroupsofThreads.............................136
3.4 Multi-ThreadedPrograms.............................138
Laurent Andrey ([e-mail]) 3 IUT de Dijon

CONTENTS CONTENTS
3.4.1 Synchronization ..............................138
3.4.2 CIS 307: Implementing Hoare’s Monitors . . . .............141
3.4.3 Deadlock,famines...............................149
4 Advanced Window Toolkit 151
4.1 GeneralArchitecture................................152
4.2 GraphicalComponents...............................155
4.2.1 BasicComponents .............................161
4.2.2 CompoundtheComponents........................163
4.2.3 ManagingMenus..............................175
4.3 EventsManagement ................................179
4.3.1 EventsManagementin1.0.........................180
4.3.2 TheMethodbyDelegation(1.1) .....................192
4.4 2DGraphics.....................................203
4.5 Conclusion .....................................215
5 Applet 217
5.1 AppletetAWT...................................219
5.2 Lifecycleofanappletwithinabrowser .....................219
5.3 AppletsandHTML ................................222
5.4 AppletsandCommunications...........................224
5.4.1 Conclusions.................................226
5.5 Codedistributionanddigitalsignature......................228
5.5.1 Appletandsecurity ............................228
5.5.2 DigitalSignatureandpublickeys.....................229
5.5.3 Largescaledeploymentofpublickeys:certification...........233
5.5.4 jdk1.1implementation ..........................238
5.5.5 The jar file:JavaARchives........................240
5.5.6 BriefBibliography .............................244
6 Conclusion 246
6.1 TwowordsonJDBC................................246
6.2 TwowordsonRMI.................................247
6.3 ThreewordsonJavaBeans.............................248
6.4 OverallConclusion .................................251
Pascal Molli ([e-mail]) 4 ESIAL Nancy

CONTENTS CONTENTS
First steps in Java
Krmoll’s
email: {andrey,molli}@loria.fr
web: http://www.loria.fr/˜ {molli,andrey}
August 26, 1998
Duke is saying ...
... Hello
Slide 1
Contents
•Introduction
•Language: classes, inheritance, polymorphism, Packages...
•Threads
•Advanced Window Toolkit (AWT)
•Applets
•Perspective-Conclusions
Slide 2
Laurent Andrey ([e-mail]) 5 IUT de Dijon