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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Handle text using String and StringBuilder classes
- Use local variable type inference, including as lambda parameters
- Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
How much Java SE 11 Developer Exam Number: 1Z0-819 costs
- Types of questions: Performance Based Questions
- Examination Fees: $250 USD
- Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
- Length of Exam: 85 min
- Passing Score: 60% or higher
- No. of Questions: 60 Questions
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: Database Applications with JDBC | 5% | - Execute queries and process results - Use parameterized queries - Describe the advantages of using a connection pool - Connect to a database using JDBC |
| Topic 2: Java Platform Module System | 10% | - Use jdeps to determine dependencies - Declare module dependencies - Explain the default modules and class path - Migrate applications to use modules - Deploy and execute modules - Explain the concept of module exports and requires |
| Topic 3: I/O (Fundamentals and NIO2) | 7% | - Use NIO2 API to work with file systems and file attributes - Read and write console and file input/output using Java I/O system - Use Path interface to manipulate file paths - Use Stream API with files |
| Topic 4: Controlling Program Flow | 10% | - Use if and if/else statements - Use Java control statements - Use break and continue statements - Use for, while, and do/while loops - Use switch statements |
| Topic 5: Working with Java data types | 12% | - Manipulate data using the StringBuilder class and its methods - Create and manipulate strings - Explain an object's lifecycle (creation, dereferencing via garbage collection) - Read or write to object fields - Declare and initialize variables - Differentiate between object reference variables and primitive variables - Call methods on objects |
| Topic 6: Working with Java OOP | 15% | - Implement encapsulation - Implement inheritance - Create inner classes and use them within other classes - Use abstract classes and interfaces - Apply the final keyword to classes, methods, and fields - Implement polymorphism - Apply the static keyword to methods and fields |
| Topic 7: Working with Arrays and Collections | 8% | - Sort elements in a collection - Search for elements in a collection - Create a list, set, map, or queue collection - Filter a collection using lambda expressions - Use generic types and diamond operator - Iterate through a collection |
| Topic 8: 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 9: Annotations | 5% | - Describe the purpose of annotations - Create custom annotations - Apply standard annotations to classes and methods |
| Topic 10: Concurrency | 10% | - Identify potential threading problems - Use synchronized blocks and the volatile keyword - Use ExecutorService to concurrently execute tasks - Use parallel streams to improve performance - Create worker threads using Runnable and Thread objects - Use java.util.concurrent atomic classes and ForkJoinPool |
| Topic 11: Working with Streams and Lambda expressions | 13% | - Use functional interfaces with lambda expressions - Describe the Stream interface and pipeline - Filter a collection using lambda expressions - Use the Stream API to perform terminal operations - Use method references with streams - Perform decomposition using the reduce(), collect(), partition(), and groupingBy() methods |
| Topic 12: Exception Handling and Localization | 10% | - Use standard exception classes - Use assertions - Use resource bundles and locale classes for internationalization - Create try-catch blocks and understand exception propagation - Create and throw custom exceptions - Describe the advantages of exception handling |
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