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1Z0-829 Certification Detail Exam Code
1Z0-829
Full Exam Name
Oracle Java SE 17 Developer
Number of Questions
50
Practice Exams
1Z0-829 Online Practice Exam
Passing Score
68%
Time Limit
90 minutes
Recommended Training
Oracle Certified Professional: Java SE 17 Developer Java Learning Subscription
Syllabus Topics for Oracle 1Z0-829 Exam Topic Name Handling date, time, text, numeric and boolean values
Controlling Program Flow
Utilizing Java Object-Oriented Approach
Handling Exceptions
Working with Arrays and Collections
Working with Streams and Lambda expressions
Packaging and deploying Java code and use the Java Platform Module System
Managing concurrent code execution
Using Java I/O API
Accessing databases using JDBC
Implementing Localization
Oracle 1Z0-829 Exam Questions
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01. Suppose we have a JDBC program that calls a stored procedure, which returns a set of results. Which is the correct order in which to close database resources for this call? Option a) Connection, ResultSet, CallableStatement b) Connection, CallableStatement, ResultSet c) ResultSet, Connection, CallableStatement d) ResultSet, CallableStatement, Connection e) CallableStatement, Connection, ResultSet f) CallableStatement, ResultSet, Connection
ANSWER d) ResultSet, CallableStatement, Connection
02. Which of the following statements about resource bundles are correct? (Choose all that apply.) Option
a) All keys must be in the same resource bundle to be used. b) A resource bundle is loaded by calling the new ResourceBundle() constructor. c) Resource bundle values are always read using the Properties class. d) Changing the default locale lasts for only a single run of the program. e) If a resource bundle for a specific locale is requested, then the resource bundle for the default locale will not be used.
f) It is possible to use a resource bundle for a locale without specifying a default locale.
ANSWER d) Changing the default locale lasts for only a single run of the program.
f) It is possible to use a resource bundle for a locale without specifying a default locale.
03. Which of the following statements are true in a module-info.java file? (Choose all that apply.) Option a) The opens keyword allows the use of reflection.
b) The opens keyword declares an API is called. c) The use keyword allows the use of reflection. d) The use keyword declares an API is called.
e) The uses keyword allows the use of reflection. f) The uses keyword declares an API is called. g) The file can be empty (zero bytes).
ANSWER a) The opens keyword allows the use of reflection. f) The uses keyword declares an API is called.
g) The file can be empty (zero bytes).
04. Which statements about functional interfaces are true? (Choose all that apply.) Option a) A functional interface can contain default and private methods. b) A functional interface can be defined as a class or an interface. c) Abstract methods with signatures that are contained in public methods of java.lang.Object do not count toward the abstract method count for a functional interface. d) A functional interface cannot contain static or private static methods.
e) A functional interface must be marked with the @FunctionalInterface annotation.
ANSWER a) A functional interface can contain default and private methods.
c) Abstract methods with signatures that are contained in public methods of java.lang.Object do not count toward the abstract method count for a functional interface.
05. Suppose you have separate modules for a service provider interface, service provider, service locator, and consumer. If you add a second service provider module, how many of these modules do you need to recompile? Option a) Zero b) One
c) Two d) Three e) Four
ANSWER a) Zero
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