Oracle 1z1-819 Questions & Answers - in .pdf
- Vendor: Oracle
- Exam Code: 1z1-819
- Exam Name: Java SE 11 Developer
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- Vendor: Oracle
- Exam Code: 1z1-819
- Exam Name: Java SE 11 Developer
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.Oracle 1z1-819 Exam Overview:
| Certification Vendor: | Oracle |
| Exam Name: | Java SE 11 Developer |
| Exam Number: | 1z0-819 |
| Passing Score: | 68% |
| Exam Price: | $245 USD |
| Exam Format: | Multiple Choice, Multiple Select |
| Real Exam Qty: | 80 |
| Certificate Validity Period: | Lifetime (no expiration, but recertification recommended to stay current) |
| Related Certifications: | Oracle Certified Professional: Java SE 11 Developer |
| Exam Duration: | 90 minutes |
| Available Languages: | English, Japanese, Chinese, Portuguese, Spanish |
| Sample Questions: | Oracle 1z1-819 Sample Questions |
| Exam Way: | Pearson VUE testing centers (online proctored exam also available) |
| Pre Condition: | Oracle recommends but does not require candidates to first obtain the Oracle Certified Professional: Java SE 11 Programmer I (1Z0-815) certification. However, 1Z0-819 can be taken directly without 1Z0-815. |
| Official Syllabus URL: | https://education.oracle.com/java/java-se/product_oss_279 |
How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Types of questions: Performance Based Questions
- Passing Score: 60% or higher
- Length of Exam: 85 min
- No. of Questions: 60 Questions
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Examination Fees: $250 USD
What is Java SE 11 Developer Exam Number: 1Z0-819 Certification Exam and Retake policy
Oracle Cloud Certification credentials are only valid for a period of 18 months from the date you earn the credential. The certification will become inactive at the end of 18 months. However, for Oracle candidates, it is necessary to hold an active certification in order to have access to various certification benefits including, using Oracle certification logos, certificates, scoring reports, digital badges, and certification verification.
To stay current, candidates have to re-certify themselves with the latest version of the exam. Oracle Cloud Certifications include various titles with levels that are Oracle Certified Associate, Specialist, and Professional. Moreover, the Oracle Cloud Certifications are updated continuously throughout the year for keeping current with major product and service releases and re-released on an annual basis with a new title.
Exam Topic for Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in ORACLE 1Z0-006 exam dumps:
- Annotations
- Java Object-Oriented Approach
- Java Platform Module System
- Working with Java data types
- Working with Arrays and Collections
- Java I/O API
- Database Applications with JDBC
Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
Oracle 1z1-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Exception Handling and Localization | 10% | - Use resource bundles and locale classes for internationalization - Create and throw custom exceptions - Use assertions - Use standard exception classes - Create try-catch blocks and understand exception propagation - Describe the advantages of exception handling |
| Topic 2: I/O (Fundamentals and NIO2) | 7% | - Use Stream API with files - Use Path interface to manipulate file paths - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system |
| Topic 3: Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Use generic types and diamond operator - Sort elements in a collection - Search for elements in a collection - Iterate through a collection - Filter a collection using lambda expressions |
| Topic 4: Database Applications with JDBC | 5% | - Use parameterized queries - Connect to a database using JDBC - Execute queries and process results - Describe the advantages of using a connection pool |
| Topic 5: Java Platform Module System | 10% | - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Declare module dependencies - Explain the default modules and class path - Deploy and execute modules - Migrate applications to use modules |
| Topic 6: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Use method references with streams - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations |
| Topic 7: Secure Coding in Java SE Application | 5% | - Secure sensitive data - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Validate user input |
| Topic 8: Working with Java data types | 12% | - Create and manipulate strings - Manipulate data using the StringBuilder class and its methods - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Call methods on objects - Read or write to object fields - Declare and initialize variables - Differentiate between object reference variables and primitive variables |
| Topic 9: Concurrency | 10% | - Identify potential threading problems - Use ExecutorService to concurrently execute tasks - Use synchronized blocks and the volatile keyword - Use java.util.concurrent atomic classes and ForkJoinPool - Create worker threads using Runnable and Thread objects - Use parallel streams to improve performance |
| Topic 10: Working with Java OOP | 15% | - Create inner classes and use them within other classes - Implement polymorphism - Apply the static keyword to methods and fields - Implement inheritance - Use abstract classes and interfaces - Implement encapsulation - Apply the final keyword to classes, methods, and fields |
| Topic 11: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 12: Controlling Program Flow | 10% | - Use break and continue statements - Use if and if/else statements - Use Java control statements - Use switch statements - Use for, while, and do/while loops |
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