OCP Oracle Certified Professional Java SE 17 Developer Study Guide. Jeanne Boyarsky

OCP Oracle Certified Professional Java SE 17 Developer Study Guide

Questions

22 Chapter 14: I/O Referencing Files and Directories Operating on File and Path Introducing I/O Streams Reading and Writing Files Serializing Data Interacting with Users Working with Advanced APIs Review of Key APIs Summary Exam Essentials Review Questions

23 Chapter 15: JDBC Introducing Relational Databases and SQL Introducing the Interfaces of JDBC Connecting to a Database Working with a PreparedStatement Getting Data from a ResultSet Calling a CallableStatement Controlling Data with Transactions Closing Database Resources Summary Exam Essentials Review Questions

24 Appendix: Answers to the Review Questions Chapter 1: Building Blocks Chapter 2: Operators Chapter 3: Making Decisions Chapter 4: Core APIs Chapter 5: Methods Chapter 6: Class Design Chapter 7: Beyond Classes Chapter 8: Lambdas and Functional Interfaces Chapter 9: Collections and Generics Chapter 10: Streams Chapter 11: Exceptions and Localization Chapter 12: Modules Chapter 13: Concurrency Chapter 14: I/O Chapter 15: JDBC

25 Index

26 End User License Agreement

List of Tables

1 IntroductionTABLE I.1 Exam information

2 Chapter 1TABLE 1.1 Setup procedure by operating system TABLE 1.2 Important javac options TABLE 1.3 Important java options TABLE 1.4 Important jar options TABLE 1.5 Order for declaring a class TABLE 1.6 Primitive types TABLE 1.7 Wrapper classes TABLE 1.8 Text block formatting TABLE 1.9 Reserved words TABLE 1.10 Tracking scope by block

3 Chapter 2TABLE 2.1 Order of operator precedence TABLE 2.2 Unary operators TABLE 2.3 Increment and decrement operators TABLE 2.4 Binary arithmetic operators TABLE 2.5 Simple assignment operator TABLE 2.6 Compound assignment operators TABLE 2.7 Equality operators TABLE 2.8 Relational operators TABLE 2.9 Logical operators TABLE 2.10 Conditional operators

4 Chapter 3TABLE 3.1 Control statement usage

5 Chapter 4TABLE 4.1 Rules for indent() and stripIndent()TABLE 4.2 Common formatting symbolsTABLE 4.3 Binary search rulesTABLE 4.4 Arrays.compare() examplesTABLE 4.5 Equality vs. comparison vs. mismatchTABLE 4.6 Methods in LocalDate, LocalTime, LocalDateTime, and ZonedDateTime...TABLE 4.7 Where to use Duration and Period

6 Chapter 5TABLE 5.1 Parts of a method declaration in Figure 5.1TABLE 5.2 Optional specifiers for methodsTABLE 5.3 Optional specifiers for instance variablesTABLE 5.4 A method in ______ can access a ______ member.TABLE 5.5 Static vs. instance callsTABLE 5.6 The order that Java uses to choose the right overloaded method

7 Chapter 6TABLE 6.1 Class modifiers

8 Chapter 7TABLE 7.1 Interface member typesTABLE 7.2 Interface member accessTABLE 7.3 Usage of the permits clause in sealed classesTABLE 7.4 Modifiers in nested classesTABLE 7.5 Nested class access rules

9 Chapter 8TABLE 8.1 Valid lambdas that return a booleanTABLE 8.2 Invalid lambdas that should return a booleanTABLE 8.3 Method referencesTABLE 8.4 Common functional

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