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Browse ExamsOracle1Z0-900
OracleCertification

1Z0-900

Java EE 7 Application Developer

Master the Java EE 7 Application Developer exam with Real exam questions, expert-verified explanations, and detailed answer keys. Perfect for professionals advancing in the Oracle ecosystem.

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Exam Domains & Topics

19 domains
Understand Java Ee Architecture26% · 35 Qs
Implement Business Logic By Using Ejbs13% · 18 Qs
Manage Persistence Using Jpa Entities And Beanvalidation7% · 10 Qs
Create Java Web Applications Using Servlets7% · 9 Qs
Use Cdi Beans6% · 8 Qs
Develop Web Applications Using Jsfs5% · 7 Qs
Secure Java Ee 7 Applications5% · 7 Qs
Implement Rest Services Using Jax-Rs Api4% · 6 Qs
Use Batch Api In Java Ee 7 Applications4% · 6 Qs
Create Java Applications Using Websockets4% · 5 Qs
Create Java Web Applications Using Jsps4% · 5 Qs
Use Java Message Service Api3% · 4 Qs
Transactions3% · 4 Qs
Use Concurrency Api In Java Ee 7 Applications2% · 3 Qs
Implementing Business Logic Using Cdi And Interceptors2% · 3 Qs
Implement Soap Services By Using Jax-Ws And Jaxb Apis1% · 2 Qs
Working With The Java Persistence Api (Jpa)1% · 2 Qs
Developing Enterprise Applications Using Ejb Technology1% · 1 Qs
Working With Restful Web Services1% · 1 Qs

What learners say

Feedback from people who studied 1Z0-900 on NerdExam.

EJB lifecycle questions are no joke. Worth every drill.
Jjoshua94Enterprise developer
CDI wiring finally clicked for me. Cleared 1Z0-900 first try.
Kkhalil_dzJava developer
Was shaky on JPA entity mappings until I drilled the JPQL questions here. Passed with confidence on my first attempt.
Llars.noBackend engineer
I switched from a PHP background and 1Z0-900 felt overwhelming at first. The JMS messaging and WebSocket API questions here are particularly well thought out. Two months of steady practice and I cleared it.
MMike J.PHP-to-Java switcher
JAX-RS content negotiation kept tripping me up in practice. Working through the edge cases here made it stick before my exam.
JJules T.Mid-level developer
Some of the JSF managed bean questions felt lighter than what I saw on exam day. But the CDI, interceptors, and batch processing sections were solid preparation. A fair resource for this certification overall.
AAlex K.Senior Java developer
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NerdExam is a trading name of WADL Solutions Limited, a company incorporated in Hong Kong (CR# 80143234). Registered office: Unit 2904-05, 29/F, Universal Trade Centre, 3 Arbuthnot Road, Central, Hong Kong.

CompTIA, AWS, Cisco, Microsoft, Google Cloud, Oracle, VMware, and other certification names referenced on this site are trademarks of their respective owners. NerdExam is not affiliated with, endorsed by, or sponsored by any certification vendor.