Witscale's SCJP Study Notes - Contents

• Introduction
• Language Fundamentals
  • Class declaration and java source file.
  • Package, import statements and Class declaration.
  • Keywords and Identifiers
  • Primitive data types
  • Literals
    • Boolean Literals
    • Character Literals
    • Integral Literals
    • Floating Point Literals
    • String Literals
  • Arrays
    • Arrays Declaration, Construction and initialization.
    • Array of primitive data types.
    • Array of Object references.
  • Argument passing during method calls.
  • main() method.
• Garbage Collection
  • Object creation
    • Memory heap
    • Stack
  • Garbage Collection
  • How object becomes eligible for Garbage Collection?
• Operators and Assignments
  • Operators
    • Unary Operators
    • Binary Operators
    • Ternary Operator
  • Operators and operand types
  • equals() method and identity test(==).
• Conversion, Casting and Promotion
  • Conversion and casting
  • Conversion Contexts
  • General Rules
    • Rules for conversion of primitives in assignment.
    • Rules for conversion of primitives during the method call.
    • Rules for conversion of primitives during the numeric/arithmetic operations.
    • Casting of primitive data types.
    • Object reference Conversion.
    • Object reference Casting.
• Flow Control and Exceptions
  • Flow control statements
    • switch statement
    • break and continue
  • Exceptions
    • Errors and Exceptions
    • Checked and Unchecked Exceptions
    • Handling an exception
      • The try {..} block.
      • The catch(Throwable throwable){..} clause of try block.
      • The finally {..} clause.
    • throws clause in method declaration.
• Method Overloading and Overriding
  • Overloading
    • Constructor Overloading
  • Overriding
    • Rules for overriding
  • Difference between overloading and overriding.
  • 'Is a', 'has a' relationship
    • The Generalization (Inheritance) and 'is-a' relationship
    • The Composition and 'has-a' relationship
  • Variables are shadowed and methods are overridden.
• Nested Classes
  • Inner Classes
    • Local inner class.
    • Anonymous inner class.
    • Non-static member class.
  • Static nested classes.
• Threads
  • Thread class and run() Method
  • Thread Scheduling
  • The Life Cycle of a Thread
  • Thread Synchronization
    • Monitor
    • Synchronized code and Locks
  • Thread Priority
  • Thread Deadlock
• Fundamental Classes in java.lang package.
  • java.lang package.
    • Object class
    • Math Class
    • Wrapper classes
    • String
    • StringBuffer
• Java Collections Framework.
  • Collection.
  • Collection Interfaces.
    • Set
    • List
    • Map
  • Collections and hashcode() method.
  • Implementation of Collection interfaces.
  • Benefits and constraints of using different data structures.