Titlebook: Java and Object Orientation: An Introduction; John Hunt Textbook 2002Latest edition Springer-Verlag London 2002 Abstract Window Toolkit.Ex

PSA-velocity

有罪

Java ConstructsThis chapter presents more of the Java language. It considers the representation and use of numbers, strings and characters. It also discusses assignments, literals and variables. Finally, it considers messages, message types and their precedence.

强化

决定性

Encapsulation and PolymorphismThis chapter discusses the encapsulation and polymorphic features of Java. It illustrates how the encapsulation facilities can allow quite fine-grained control over the visibility of elements of your programs. The concept of packages is also discussed, along with some concrete examples. The polymorphic nature of Java concludes the chapter.