Core Java Tutorials

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Core Java Online Training Overview

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  1. Introduction to Java
    1. Introduction to Programming Languages
    2. Why Java / .Net instead of C / C++ ?
    3. Java v/s .Net
    4. Why C applications become Standalone?
    5. History of Java?
    6. Versions of Java Development Kit(JDK)
    7. JDK includes
    8. Platform in dependency
  2. Java application structure 
    1. Introduction to Object oriented Programming
    2. What is Object?
    3. What is Class?
    4. Structure of Java application?
    5. Contexts of Java application?
  3. Class Members
    1. Class Members
    2. Variables introduction?
    3. Methods introdution?
    4. Blocks introduction?
  4. Naming Conventions
  5. First java application
  6. Data types in Java?
    1. Introduction to Data types
    2. Limits and Size
    3. Character data type
    4. Type Casting?
    5. Programs on Data types?
  7. Static Members / Class Members
    1. Introduction to Static Members
    2. Static main method
    3. Static Block
    4. Local Variable
    5. Static Variable
    6. Static User method
    7. Programs on static members
    8. Connecting classes using static members
  8. Non-Static Members / Object Members
    1. Introduction to Non-Static Members
    2. Create object inside main method
    3. Default constructor
    4. this keyword
    5. Object reference variable
    6. Create object inside static block
    7. Create object as static variable
    8. Create object inside static user method
    9. Object passing / Message passing
    10. Non static user method
    11. Connecting classes using non static members
    12. System.out.println();
  9. Wrapper classes
    1. Introduction to Wrapper classes
    2. Primitive To Object conversion (Boxing)
    3. Object To Primitive conversion (Un boxing)
    4. Primitive To String conversion
    5. Object To String conversion
    6. String to Primitive conversion
    7. String to Object conversion
    8. Need of String data Conversions
    9. Wrapper classes constructors
    10. Fields of Wrapper classes
    11. Conclusion
  10. Scanner class
  11. Random class
  12. Command Line arguments 
    1. Introduction
    2. Memory allocation of command line arguments
    3. Command line arguments codes
  13. Access Modifiers
    1. Introduction to Access Modifiers
    2. Why class cannot be private?
    3. Why class cannot be protected?
    4. Access modifiers table
    5. Access modifiers programs
  14. Packages
    1. Introduction to packages
    2. How to create package?
    3. Connect same package classes
    4. import statement
    5. Connect different package classes
    6. import statement loading classes
    7. Fully Qualified Name
    8. Class Loader sub system
    9. User defined System class
    10. User defined String class
    11. Importing Sub packages
    12. Creating sub packages
  15. Object Oriented Programming
    1. Introduction to Object Oriented Programming
    2. Object
    3. class
    4. Encapsulation
    5. this keyword
    6. this() method / Constructor chaining
  16. Inheritance in Java
    1. Introduction to Inheritance
    2. Types of Inheritance
    3. Single inheritance
    4. Multi Level inheritance
    5. Object creation process in inheritance
    6. Method Overriding
    7. Hierarchical Inheritance
    8. super keyword
    9. super() method
    10. Constructor chaining in Is-A relation
    11. Accessing protected members of Parent class
  17. Final Modifier in Java
    1. Class is final
    2. Method is final
    3. Variable is final
    4. Why constructor cannot be final?
  18. Abstraction in Java
    1. Introduction to Abstract classes
    2. Main method in Abstract class
    3. Abstract class object creation
    4. Accessing non static members of Abstract class
    5. super() method in abstract class
    6. Can an abstract class be final?
    7. Why static and abstract cannot be combined?
    8. Can a final class extends abstract class?
  19. Interfaces in java
    1. Introduction to interfaces
    2. main() method in interfaces
    3. class implements interface
    4. Interface Object creation
    5. Relations among class, abstract class and interface
    6. Multiple inheritance in Java using interfaces
    7. Object up casting in interfaces
  20. Polymorphism in Java
    1. Introduction
    2. Method overloading
    3. Main method overloading
    4. Overriding
    5. Object up casting
    6. Object down casting
  21. Exception Handling in Java
    1. Introduction to Exception Handling
    2. Default Exception Handler
    3. Exception codes
    4. Exception Hierarchy
    5. Handling exception using try-catch
    6. try with multi catch
    7. Checked v/s Unchecked exception
    8. finally block
    9. Releasing a file using finally block
    10. User defined exceptions
    11. throw keyword
    12. throws keyword
    13. Application that describes where to use Exceptions
  22. Multi Threading in Java
    1. Multi tasking
    2. Multi tasking v/s Multi threading
    3. How to create Thread?
    4. When we use Runnable interface?
    5. Thread life cycle
    6. Single threaded application
    7. Multi threaded application
    8. sleep() method
    9. join() method
    10. Default Thread identities
    11. Setting identities to Thread
    12. Execution time of single threaded application
    13. Execution time of multi threaded application
    14. Thread priorities
    15. Daemon and Non Daemon threads
    16. Create thread using Runnable interface
    17. Thread synchronization
    18. synchronized block
  23. Has-A relation in Java
  24. Garbage Collection in Java
    1. Introduction to Garbage collection
    2. Process of Garbage collection
    3. finalize() method in Object class
    4. Garbage collection program
    5. Why JVM will not start GC-thread properly?
    6. Requesting JVM to start Garbage collector using System.gc();
  25. Factory class
  26. Singleton class
  27. Runtime class / JVM class
    1. Introduction to Runtime class
    2. Instantiation of Runtime class
    3. Requesting JVM to start Garbage collector using Runtime.gc();
    4. Size of Heap memory and JVM memory
    5. Increase and Decrease the size of Heap and JVM memory
  28. String Handling in Java
    1. Introduction
    2. String Immutability
    3. String Pool Area
    4. String operations using pre-defined functions
    5. User defined Immutable class
    6. StringBuffer class
    7. StringBuilder class
    8. StringTokenizer class
  29. Inner classes in Java
    1. Introduction
    2. static inner class
    3. non static inner class
    4. Accessing private members of inner class from outer class
    5. Accessing private members of outer class from inner class
    6. local inner class
    7. anonymous inner class
    8. Create thread using anonymous inner class
  30. IOStreams in Java
    1. Introduction to IOStreams
    2. Byte streams in Java
    3. Character streams in Java
    4. Object streams in Java / Serialization
    5. Buffered streams in java
    6. Array streams in java
    7. Data streams in java
    8. PrintStream class in Java
  31. File Handling in Java
    1. Introduction to File Handling
    2. Create File in Java
    3. Create Directory or Sub-directory in Java
    4. Delete File or Directory
    5. Renaming File or Directory
    6. File permissions in Java
  32. AWT, Applets and Swings
    1. Introduction to Applets
    2. Dis-advantages of Applets
    3. Introduction to Swings
    4. Create user defined Frame using Swings
    5. Swing Buttons
    6. Event Listeners
    7. Implement ActionListener using Frame class
    8. Implement ActionListener using Anonymous inner class
    9. Swing components

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