tailieunhanh - Introduction to java programming: Chapter 10 - Abstract Classes and Interfaces

Introduction to java programming: Chapter 10 - Abstract Classes and Interface's Objectives is to design and use abstract classes; process a calendar using the Calendar and GregorianCalendar classes; declare interfaces to model weak inheritance relationships; define a natural order using the Comparable interface. | Chapter 10 Abstract Classes and Interfaces Liang Introduction to Java Programming Sixth Edition c 2007 Pearson Education Inc. All rights reserved. 0-13-148952-6 1 Objectives To design and use abstract classes . To process a calendar using the Calendar and GregorianCalendar classes . To declare interfaces to model weak inheritance relationships . To define a natural order using the Comparable interface . To know the similarities and differences between an abstract class and an interface . To declare custom interfaces . Optional To enable objects cloneable using the Cloneable interface . To use wrapper classes Byte Short Integer Long Float Double Character and Boolean to wrap primitive data values into objects . Optional To use the BigInteger and BigDecimal classes for computing very large numbers with arbitrary precisions . To create a generic sort method . To simplify programming using JDK automatic conversion between primitive types and wrapper class types . Optional GUI To handle GUI events . Liang Introduction to Java Programming Sixth Edition c 2007 Pearson Education Inc. All rights reserved. 0-13-148952-6 2 The ab stract Modifier The abstract class - Cannot be instantiated - Should be extended and implemented in subclasses The abstract method - Method signature without implementation Liang Introduction to Java Programming Sixth Edition c 2007 Pearson Education Inc. All rights reserved. .

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