Exam Code: 1Z0-866
Exam Name: Java Enterprise Architect Certified Master Essay
Certification Provider: Oracle
Corresponding Certification: Java Technology

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Updated: Jul 30, 2026

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Oracle 1Z0-866 Exam Overview:

Certification Vendor:	Oracle
Exam Name:	Java Enterprise Architect Certified Master Essay
Exam Number:	1Z0-866
Exam Price:	Approx $245 USD
Passing Score:	71%
Available Languages:	English
Real Exam Qty:	12-15
Exam Format:	Essay / Open-ended questions, Scenario-based justification
Exam Duration:	150 minutes
Certificate Validity Period:	Valid for life (no expiration)
Related Certifications:	Oracle Certified Master, Java EE 6 Enterprise Architect Java EE 6 Enterprise Architect Certified Master Assignment (1Z0-865) Java EE 6 Enterprise Architect Certified Master (1Z0-807)
Recommended Training:	Oracle Recommended Training
Exam Registration:	Pearson VUE Registration Oracle University
Exam Way:	Proctored onsite at Pearson VUE centers or online proctored
Pre Condition:	Must hold Java SE Programmer certification; must pass 1Z0-807 and complete 1Z0-865 assignment before taking 1Z0-866
Official Syllabus URL:	https://education.oracle.com/certification/oracle-certified-master-java-ee-6-enterprise-architect/trackp_196

Oracle 1Z0-866 Exam Syllabus Topics:

Section	Weight	Objectives
Security & Reliability	20%	- Transaction management and fault tolerance - Application security design
Design Patterns & Best Practices	20%	- Compliance with Java EE standards - Enterprise design patterns application
Java EE Technologies & Components	25%	- Integration and communication patterns - EJB, JPA, JSF, JAX-RS/JAX-WS
Architecture Design & Trade-offs	35%	- Justification of architectural decisions - Trade-offs between performance, scalability, maintainability - Technology selection rationale

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