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⚡ Quick Facts
Quick Answer: The Oracle Java SE 8 Programmer II (1Z0-809) costs $245, has 85 questions, 150-minute duration, pass score 65%. ExamCert offers 600+ free practice questions for 2026.
Try these 5 sample questions from our 500+ question bank. Each includes detailed explanations to help you learn.
What is a lambda expression in Java 8?
Lambda expressions provide a concise way to implement functional interfaces using arrow syntax (->).
Which method creates a parallel stream from a collection?
The parallelStream() method creates a parallel stream that can process elements concurrently.
What is the purpose of the Optional class?
Optional is a container that may or may not contain a non-null value, helping avoid NullPointerException.
Which interface represents a function that takes one argument and returns a result?
Function
How do you handle checked exceptions in a lambda expression?
Since standard functional interfaces don't declare checked exceptions, you must use try-catch or create custom interfaces.
What is a key best practice for solutions?
Security and scalability should be foundational. Building these in from the beginning is far more cost-effective than retrofitting later.
Which approach is recommended for implementations in production?
Automation and infrastructure as code provide consistency, repeatability, and version control, reducing errors and enabling rapid deployment.
What ensures reliability in systems systems?
Redundancy and fault tolerance ensure services remain available despite component failures through multiple availability zones and automated failover.
How should operations be monitored effectively?
Continuous automated monitoring enables proactive issue detection and rapid response, minimizing downtime and improving system health.
What is essential for secure deployments deployment?
Least privilege access and encryption protect sensitive data and limit attack surface. Security must be built-in from the start.
Timeline: 8-10 weeks
Yes! ExamCert offers a free tier with access to hundreds of 1Z0-809 practice questions, detailed explanations, and study materials. The free version includes enough content to significantly boost your exam preparation. Premium upgrade ($4.99) unlocks all 500+ questions and advanced features.
ExamCert currently offers 500+ practice questions for the 1Z0-809 exam, covering all exam domains. Our question bank is continuously updated based on feedback from recent exam takers and changes to exam objectives.
Absolutely! Our dedicated team updates the 1Z0-809 question bank weekly. All questions are aligned with the current 2026 exam objectives, and we incorporate feedback from students who recently passed the exam to ensure accuracy.
The free version includes hundreds of practice questions, basic explanations, and progress tracking. Premium ($4.99 one-time) unlocks all 500+ questions, detailed explanations with references, exam simulation mode, performance analytics, and our 100% money-back guarantee.
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