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Oracle 1Z0-860 Exam Dumps

Vendor: Oracle
Exam Code: 1Z0-860
Exam Name: Java Enterprise Edition 5 Business Component Developer Certified Professional
Certification: Oracle Certifications
Total Questions: 305 Q&A
Updated on: Mar 10, 2025
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1Z0-860 Online Practice Questions and Answers

Questions 1

Which statement is true about the Timer service in an EJB 3.0 stateless session bean?

A. The timeout callback method contains the business logic that handles the timeout event.

B. The timeout callback method must be declared as a business method in business interfaces.

C. The timeout callback method can throw application exceptions to report business logic failures.

D. A bean class can implement multiple timeout callback methods, each associated with a different timer.

Show Answer

Questions 2

A developer wants to create a Java Persistence query that returns valid U.S. phone numbers (formatted as "123-456-7890" or "800-RUN-EJB3") from a collection of differently formatted international phone numbers. The developer needs only those numbers that begin with 303. Which WHERE clause is correct?

A. WHEREaddr. phone LIKE 303J

B. WHERE addr. phone LIKE 303%'

C. WHEREaddr. phone LIKE303-_-_'

D. WHEREaddr.phone LIKE 303-%-%'

E. WHEREaddr. phoneLIKE 303- - '

F. WHERE addr. phone LIKE 303-%%%-%%%%'

Show Answer

Questions 3

A developer writes an interceptor class called Foolnterceptor containing the following Aroundlnvoke method:

11.

@Aroundlnvoke

12.

public Object intercept(lnvocationContext ctx) {

13.

return "intercepted";

14.}

Foolnterceptor is applied to a business method in a stateless session bean:

11.

@lnterceptors(Foolnterceptor.class)

12.

public String testzero(int i) {

13.

return (i == 0) ? "zero""not zero";

14.

}

Which describes the result when a client invokes the testzero method with a value of 1?

A. The intercept method is NEVER invoked.

B. The clientreceivesareturnvalueof "zero".

C. The client receivesa returnvalue of "not zero".

D. The client receivesareturn value of "intercepted".

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