A Programmer’s Guide to Java™ SCJP Certification: A Comprehensive Primer, Third Edition > List of Examples

Table of Contents

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A Programmer’s Guide to Java™ SCJP Certification: A Comprehensive Primer, Third Edition

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List of Examples

1.1	Basic Elements of a Class Declaration	3
1.2	Static Members in Class Declaration	8
1.3	Defining a Subclass	11
1.4	An Application	15
2.1	Default Values for Fields	33
2.2	Flagging Uninitialized Local Variables of Primitive Data Types	34
2.3	Flagging Uninitialized Local Reference Variables	35
3.1	A JavaBean	42
3.2	Using the `this` Reference	46
3.3	Namespaces	49
3.4	Using Enums	55
3.5	Declaring Enum Constructors and Members	56
3.6	Declaring Constant-Specific Class Bodies	60
3.7	Using Arrays	73
3.8	Using Anonymous Arrays	75
3.9	Using Multidimensional Arrays	78
3.10	Passing Primitive Values	83
3.11	Passing Reference Values	84
3.12	Passing Arrays	86
3.13	Array Elements as Primitive Data Values	88
3.14	Array Elements as Reference Values	88
3.15	Calling a Varargs Method	91
3.16	Passing Program Arguments	95
4.1	Defining Packages and Using Type Import	107
4.2	Single Static Import	110
4.3	Avoiding the Interface Constant Antipattern	110
4.4	Importing Enum Constants	111
4.5	Shadowing by Importing	112
4.6	Conflict in Importing Static Method with the Same Signature	113
4.7	Importing Nested Static Types	114
4.8	Using Properties	123
4.9	Class Scope	131
4.10	Accessibility Modifiers for Classes and Interfaces	133
4.11	Abstract Classes	136
4.12	Public Accessibility of Members	139
4.13	Accessing Static Members	147
4.14	Accessing Final Members	149
4.15	Synchronized Methods	151
5.1	Operand Evaluation Order	175
5.2	Numeric Promotion in Arithmetic Expressions	181
5.3	Short-Circuit Evaluation Involving Conditional Operators	198
6.1	Fall Through in a `switch` Statement	208
6.2	Using `break` in a `switch` Statement	210
6.3	Nested `switch` Statement	211
6.4	Enums in `switch` Statement	212
6.5	The `break` Statement	224
6.6	Labeled `break` Statement	225
6.7	The `continue` Statement	226
6.8	Labeled `continue` Statement	227
6.9	The `return` Statement	228
6.10	Method Execution	236
6.11	The `try-catch` Construct	247
6.12	Exception Propagation	250
6.13	The `try-catch-finally` Construct	253
6.14	The `try-finally` Construct	254
6.15	The `finally` Block and the `return` Statement	255
6.16	Throwing Exceptions	256
6.17	The `throws` Clause	258
6.18	Using Assertions	267
7.1	Extending Classes: Inheritance and Accessibility	285
7.2	Overriding, Overloading, and Hiding	290
7.3	Using the `super` Keyword	296
7.4	Constructor Overloading	302
7.5	The `this()` Constructor Call	304
7.6	The `super()` Constructor Call	305
7.7	Interfaces	311
7.8	Variables in Interfaces	315
7.9	Assigning and Passing Reference Values	320
7.10	Choosing the Most Specific Method (Simple Case)	325
7.11	Overloaded Method Resolution	326
7.12	The `instanceof` and Cast Operators	329
7.13	Using the `instanceof` Operator	330
7.14	Polymorphism and Dynamic Method Lookup	341
7.15	Implementing Data Structures by Inheritance and Aggregation	342
8.1	Overview of Type Declarations	353
8.2	Static Member Types	355
8.3	Importing Static Member Types	357
8.4	Accessing Members in Enclosing Context (Static Member Classes)	358
8.5	Defining and Instantiating Non-static Member Classes	360
8.6	Special Form of `this` and `new` Constructs in Non-static Member Classes	363
8.7	Inheritance Hierarchy and Enclosing Context	365
8.8	Extending Inner Classes	367
8.9	Access in Enclosing Context (Local Classes)	371
8.10	Instantiating Local Classes	374
8.11	Objects of Local Classes as Caches	376
8.12	Defining Anonymous Classes	378
8.13	Accessing Declarations in Enclosing Context (Anonymous Classes)	381
9.1	Garbage Collection Eligibility	394
9.2	Using Finalizers	397
9.3	Invoking Garbage Collection	400
9.4	Initializer Expression Order and Method Calls	408
9.5	Exceptions in Initializer Expressions	409
9.6	Static Initializers and Forward References	411
9.7	Static Initializer Blocks and Exceptions	412
9.8	Instance Initializers and Forward References	414
9.9	Instance Initializer Block in Anonymous Class	414
9.10	Exception Handling in Instance Initializer Blocks	415
9.11	Object State Construction	417
9.12	Initialization under Object State Construction	419
10.1	Methods in the `Object` class	426
10.2	String Representation of Integers	435
10.3	String Construction and Equality	441
10.4	Reading Characters from a String	444
11.1	Listing Files Under a Directory	474
11.2	Copy a File	478
11.3	Reading and Writing Binary Values	482
11.4	Demonstrating Readers and Writers, and Character Encoding	498
11.5	Changing Passwords	503
11.6	Object Serialization	513
11.7	Non-Serializable Objects	515
11.8	Customized Serialization	518
11.9	Serialization and Inheritance	520
12.1	Understanding Locales	534
12.2	Using the `Date` class	536
12.3	Using the `Calendar` Class	540
12.4	Formatting Date/Time	543
12.5	Using the `DateFormat` class	544
12.6	Using the `NumberFormat` class	548
12.7	Splitting	565
12.8	String Pattern Matching	568
12.9	Match and Replace	570
12.10	Tokenizing Mode	573
12.11	Parsing Primitive Values and Strings	576
12.12	Using Delimiters and Patterns with a Scanner	580
12.13	Multi-Line Mode	582
12.14	Using the `format()` Method	603
13.1	Implementing the `Runnable` Interface	618
13.2	Extending the `Thread` Class	621
13.3	Mutual Exclusion	628
13.4	Thread States	637
13.5	Waiting and Notifying	644
13.6	Joining of Threads	648
13.7	Thread Termination	651
13.8	Deadlock	652
14.1	A Legacy Class	662
14.2	A Generic Class for Nodes	664
14.3	A Generic Interface and its Implementation	667
14.4	Extending Generic Types	669
14.5	Unchecked Warnings	671
14.6	Illustrating Get and Set Operations Using Parameterized References	681
14.7	Implementing a Simplified Generic Stack	695
14.8	Declaring and Calling Generic Methods	697
14.9	Flexible Comparisons	710
14.10	Using Recursive Bounds	712
14.11	Using the `@Override` Annotation	719
14.12	Subsignatures	720
14.13	Overriding from Generic Supertype	720
14.14	Missing Supertype Parameterization	721
14.15	Genericity Cannot Be Added to Inherited Methods	722
14.16	Type Parameter in `throws` Clause	731
14.17	Generic Nested Classes	732
15.1	A Test Case for Version Numbers	749
15.2	Not Overriding the `equals()` and the `hashCode()` Methods	752
15.3	Testing the `equals()` and the `hashCode()` Methods	752
15.4	Implementing the `equals()` Method	756
15.5	Implications of Overriding the `equals()` Method	759
15.6	Implementing the `hashCode()` Method	762
15.7	Implications of Overriding the `hashCode()` Method	765
15.8	Implementing the `compareTo()` Method of the `Comparable` Interface	767
15.9	Implications of Implementing the `compareTo()` Method	769
15.10	Natural Ordering and Total Ordering	773
15.11	Using a Comparator for Version Numbers	774
15.12	Using an Iterator	786
15.13	Using a `for(:)` Loop to Iterate Over a Collection	789
15.14	Converting Collections to Arrays	790
15.15	Traversing Over Sets	797
15.16	Using Sets	799
15.17	Using Navigable Sets	803
15.18	Using Lists	808
15.19	Using Priority Queues	811
15.20	Using Deques as a Stack and as a FIFO Queue	815
15.21	Using Maps	825
15.22	Using Navigable Maps	831