Printable PDFOracle 1Z0-860 Exam Questions & Answers
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Vendor: Oracle
Exam Code: 1Z0-860
Exam Name: Java Enterprise Edition 5 Business Component Developer Certified Professional
Certification Provider: Oracle
Total Questions: 305 Q&A
Updated on: May 30, 2026
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1Z0-860 Online Practice Questions and Answers
Consider the following classes: 11.©Entity Auction {
12.
@ld int id;
13.
@OneToOne Item item;
14.}
11.©Entity Itemj
12.
@ld int id;
13.
@OneToOne (mappedBy="item") Auction auction;
14.
}
Given that the Auction entity maps to an AUCTION database table and the Item entity maps to an ITEM database table, which statement is correct assuming there is NO mapping descriptor?
A. The relationship is mapped to a foreign key in the ITEMtable.
B. Therelationship is mapped usingajointableAUCTIONJTEM.
C. The relationship is mappedtoaforeignkeyinthe AUCTIONtable.
D. The relationshipis mapped to foreignkeysinbothITEMandAUCTION tables.
An Application Assembler is given the following stateless session bean: 10.©Stateless public class MyBean implements Mylnt {
11.
@RolesAllowed("SECRET")
12.
public void methodA(int x) {}
13.
public void methodA(String y) {}
14.
public void methodB(String z) {}
15.
}
A deployment descriptor is also supplied, a portion of which reads as follows:
20.
21.
22.
23.
24.
25.
26.
Which statement is true?
A. A client in any rolewill beabletoaccess anyof themethods.
B. Aclient inthe role "AGENT" willbeable to access any ofthemethods.
C. A client in therole"SECRET" will be able to access any of the methods.
D. A client in the role "AGENT" will be abletoaccess methodB and methodA(String), but not methodA(int).
E. Aclient in the role "SECRET" will beableto access methodA(int) and methodB, but NOT methodA(String).
A Reader entity has a one-to-many, bidirectional relationship with a Book entity. Two Reader entities are persisted, each having two Book entities associated with them. For example, reader! has booka and bookb, while reader2 has bookc and bookd. Which query returns a Collection of fewer than four elements?
A. SELECT b.reader FROM Book b
B. SELECT r FROM BookbINNER JOINb.readerr
C. SELECTrFROM Reader r INNER JOIN r.booksb
D. SELECTrfrom BookbLEFT JOIN b.readerr LEFTJOINFETCHr.books
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