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SUN 212-056

212-056

Exam Code: 212-056

Exam Name: Sun Certified Programmer for J2SE 5.0

Updated: Aug 25, 2026

Q & A: 100 Questions and Answers

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SUN 212-056 Exam Syllabus Topics:

SectionObjectives
Object-Oriented Concepts- Inheritance and polymorphism
  • 1. Abstract classes and interfaces
  • 2. Encapsulation
  • 3. Overloading and overriding
Fundamentals- Java language fundamentals
  • 1. Operators and expressions
  • 2. Command-line arguments
  • 3. Packages and imports
Concurrency- Threads and synchronization
  • 1. Synchronization and locking
  • 2. wait(), notify() and notifyAll()
  • 3. Thread lifecycle
Input and Output- Java I/O
  • 1. Streams and readers/writers
  • 2. File handling
  • 3. Serialization basics
API Contents- Core Java APIs
  • 1. String and StringBuffer
  • 2. Collections framework basics
  • 3. Math and utility classes
  • 4. Wrapper classes
Declarations, Initialization and Scoping- Variable declarations and initialization
  • 1. Arrays and multidimensional arrays
  • 2. Primitive and reference types
  • 3. Scope and lifetime of variables
Flow Control- Decision and loop statements
  • 1. for, while and do-while loops
  • 2. if/else and switch
  • 3. break, continue and labeled statements
Collections and Generics- Using collections
  • 1. List, Set and Map interfaces
  • 2. Generic types and type safety
  • 3. Iterators
Exceptions- Exception handling
  • 1. Throwing and declaring exceptions
  • 2. try, catch and finally
  • 3. Checked and unchecked exceptions

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