Oracle Java SE 11 Developer : 1z1-819

  • Exam Code: 1z1-819
  • Exam Name: Java SE 11 Developer
  • Updated: May 30, 2026     Q & A: 297 Questions and Answers

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Oracle 1z1-819 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Handle text using String and StringBuilder classes
  • Utilize polymorphism and casting to call methods, differentiate object type versus reference type
Topic 2
  • Create and use interfaces, identify functional interfaces
  • Initialize objects and their members using instance and static initialiser statements and constructors
Topic 3
  • Secure resource access including filesystems, manage policies and execute privileged code
  • Develop thread-safe code, using different locking mechanisms
Topic 4
  • Understand variable scopes, apply encapsulation and make objects immutable
  • Connect to and perform database SQL operations, process query results using JDBC API
Topic 5
  • Use primitives and wrapper classes, including, operators, parentheses, type promotion and casting
  • Sort collections and arrays using Comparator and Comparable interfaces
Topic 6
  • Develop code that mitigates security threats such as denial of service
  • Use Java Streams to filter, transform and process data
Topic 7
  • Define and use fields and methods, including instance, static and overloaded methods
  • Working with Arrays and Collections
Topic 8
  • Create and use subclasses and superclasses, including abstract classes
  • Use local variable type inference, including as lambda parameters
Topic 9
  • Implement serialization and deserialization techniques on Java objects
  • Declare and instantiate Java objects including nested class objects

Reference: https://education.oracle.com/java-se-11-developer/pexam_1Z0-819?intcmp=WWOUBLOGPOSTLADJAVA082913

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