Language Basics

• Your first Java program
• Keywords and Identifiers
• Primitive Types
• byte Type
• short Type
• int Type
• long Type
• float Type
• double Type
• char Type
• boolean Type
• Java Variable
• Operators
• Arithmetic Operators
• Bitwise Operators
• Relational Operators
• Boolean Logical Operators
• The ? Operator
• Operator Precedence
• Statements
• if, if...else
• switch
• While Loop
• do...while
• for
• for each
• break
• continue
• return
• Comments
• Array
• Multidimensional Arrays
• Arrays length
• Calculate with Array
• Type Conversion and Casting
• Casting Incompatible Types
• Automatic Type Promotion in Expressions
• Type Promotion Rules
• Autoboxing and auto-unboxing
• Autoboxing and Methods
• enum type
• values( ) and valueOf( ) Methods
• enum As Class
• Enum Class
• enum toString() method
• enum underline constant
• Exception Handling
• Exception Types
• try ... Catch
• Description of Exception
• Multiple Catch Clauses
• Nested try statements
• Throw an Exception
• Method throws exceptions
• finally statement
• Java's Built-in Exceptions
• Create Your Own Exception
• Chained Exceptions
• Generic Class
• Generic Bounded Types
• Generic Wildcard Arguments
• Generic Bounded Wildcards
• Generic Method
• Generic Constructors
• Generic Interfaces
• Raw Types and Legacy Code
• Generic Class Hierarchies
• Generic Restrictions
• Annotations (Metadata)
• Retention Policy
• Annotation Default Values
• Marker Annotations
• Single MemberAnnotations
• Built In Annotations
• Automatic Resource Management
• Reference
• SoftReference
• WeakReference
• PhantomReference

1. Language Basics
2. Class
3. Essential Classes
4. File Stream
5. Collection
6. Networking
7. Thread Conncurrent
8. Reflection
9. Runnable examples