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Exam Code: 1Z0-819
Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
Exam Name: Java SE 11 Developer
Certification Provider: Oracle
Corresponding Certification: Oracle Java SE
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Oracle 1Z0-819 exam is a comprehensive test that evaluates the candidate's knowledge of Java programming language. 1Z0-819 exam comprises 80 multiple-choice questions that must be answered in 180 minutes. The candidate must score at least 63% of the total marks to pass the exam. 1Z0-819 exam is available in multiple languages, including English, Japanese, Spanish, and French.
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Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913
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Oracle 1Z0-819 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Annotations | 5% | - Describe the purpose of annotations - Apply standard annotations to classes and methods - Create custom annotations |
| Topic 2: Concurrency | 10% | - Use synchronized blocks and the volatile keyword - Use parallel streams to improve performance - Use ExecutorService to concurrently execute tasks - Use java.util.concurrent atomic classes and ForkJoinPool - Identify potential threading problems - Create worker threads using Runnable and Thread objects |
| Topic 3: Working with Java OOP | 15% | - Implement encapsulation - Create inner classes and use them within other classes - Apply the static keyword to methods and fields - Apply the final keyword to classes, methods, and fields - Use abstract classes and interfaces - Implement inheritance - Implement polymorphism |
| Topic 4: Controlling Program Flow | 10% | - Use Java control statements - Use break and continue statements - Use switch statements - Use for, while, and do/while loops - Use if and if/else statements |
| Topic 5: Working with Streams and Lambda expressions | 13% | - Filter a collection using lambda expressions - Use method references with streams - Use functional interfaces with lambda expressions - Use the Stream API to perform terminal operations - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods - Describe the Stream interface and pipeline |
| Topic 6: I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Use Path interface to manipulate file paths - Read and write console and file input/output using Java I/O system - Use Stream API with files |
| Topic 7: Java Platform Module System | 10% | - Use jdeps to determine dependencies - Explain the concept of module exports and requires - Declare module dependencies - Deploy and execute modules - Explain the default modules and class path - Migrate applications to use modules |
| Topic 8: Working with Java data types | 12% | - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Differentiate between object reference variables and primitive variables - Call methods on objects - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings - Declare and initialize variables |
| Topic 9: Secure Coding in Java SE Application | 5% | - Prevent SQL injection and other attacks - Prevent Denial of Service (DoS) attacks - Secure sensitive data - Validate user input |
| Topic 10: Exception Handling and Localization | 10% | - Use standard exception classes - Create try-catch blocks and understand exception propagation - Use resource bundles and locale classes for internationalization - Use assertions - Create and throw custom exceptions - Describe the advantages of exception handling |
| Topic 11: Working with Arrays and Collections | 8% | - Create a list, set, map, or queue collection - Sort elements in a collection - Iterate through a collection - Use generic types and diamond operator - Filter a collection using lambda expressions - Search for elements in a collection |
| Topic 12: Database Applications with JDBC | 5% | - Connect to a database using JDBC - Use parameterized queries - Describe the advantages of using a connection pool - Execute queries and process results |
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