Welcome to your online Java school. Our
aim is to deliver a whole training environment for you to become a top class programmer.
| 1 | Overview Of Programming With Java |
| 1.1 | What Is Programming ? Why We Need Programming |
| 1.2 | How To Learn Programming & Programming Skills |
| 1.3 | How Can I Be A Good/Excellent Programmer |
| 1.4 | More details on Java |
| 1.4.1 | Platform Independence In Java - WORA & WOCA |
| 1.4.2 | Java And Internet - Creating Java Applet |
| 1.4.3 | What Is Servlet In Java? |
| 1.4.4 | Java Bytecode |
| 1.4.5 | Java Buzzwords |
| 1.4.6 | JDK JRE JVM JIT - Java Compiler |
| 1.4.7 | Java Versions And Changes Done In Every Version |
| 1.4.8 | Java Keywords |
| 1.5 | Simple Programs and Development environment |
| 1.5.1 | Installation Of Java on your PC |
| 1.5.2 | Java Sample Program - Simple Hello World Program In Java |
| 1.5.3 | How to Compile and Run Java Program In Cmd Prompt |
| 2 | Datatypes |
| 2.1 | Data Types In Java |
| 2.2 | Primtive Dataypes |
| 2.2.1 | Primitive Data Types In Java |
| 2.2.2 | Integer Data Types In Java |
| 2.2.3 | Floating Point Data Types In Java |
| 2.2.4 | Java Character |
| 2.2.5 | Boolean Data Type In Java |
| 2.2.6 | Literals |
| 2.2.6.1 | Java Literals |
| 2.2.6.2 | Integer Literals In Java |
| 2.2.6.3 | Floating Point Literals In Java |
| 2.2.6.4 | Character Literals In Java |
| 2.2.6.5 | String Literal In Java |
| 2.2.6.6 | Boolean Literals In Java |
| 3 | Variables |
| 3.1 | Java Variables |
| 3.2 | Scope Of Variables In Same Block |
| 3.3 | Type Conversion In Java |
| 3.4 | Type Casting In Java |
| 4 | Operators |
| 4.1 | Operators In Java |
| 4.2 | Java Arithmetic Operators |
| 4.3 | Basic Arithmetic Operators In Java |
| 4.4 | Increment And Decrement Operators In Java |
| 4.5 | Modulus Operator In Java |
| 4.6 | Arithmetic Compound Assignment Operators In Java |
| 4.7 | Relational Operators In Java |
| 4.8 | Boolean Logical Operators In Java |
| 4.9 | Short Circuit Logical Operators In Java |
| 4.10 | Assignment Operator In Java |
| 4.11 | Ternary Operator In Java |
| 4.12 | Java Operator Precedence And Associativity |
| 4.13 | Temperature Conversion Program In Java |
| 5 | Control Statements |
| 5.1 | Control Statements In Java |
| 5.2 | Selection Statements |
| 5.2.1 | Selection Statements In Java |
| 5.2.2 | if Condition In Java |
| 5.2.3 | Nested if Statements In Java |
| 5.2.4 | if else if ladder In Java |
| 5.2.5 | switch Statement In Java |
| 5.2.6 | if else Vs switch Performance In Java |
| 5.2.7 | Nested switch Statements In Java |
| 5.2.8 | Fall Through Switch Case Statements In Java |
| 5.3 | Blocks of code |
| 5.3.1 | Block Of Code In Java |
| 5.3.2 | Scope Of Variables In Nested/Multiple Blocks |
| 5.3.3 | Lifetime Of Variable In Java |
| 5.3.4 | Expressions, Statement, Line & Block In Java |
| 5.4 | Iteration statements (Loops) |
| 5.4.1 | Iteration Statements Or Loops In Java |
| 5.4.2 | while Loop In Java |
| 5.4.3 | for Loop In Java |
| 5.4.4 | for Vs while Loop In Java |
| 5.4.5 | do while Loop In Java |
| 5.4.6 | Nested Loops in Java |
| 5.4.7 | Nested While Loop In Java |
| 5.4.8 | Nested for Loop In Java |
| 5.4.9 | for Loop Example Program In Java - Sum Of Numbers |
| 5.4.10 | Factorial Program In Java Using for Loop |
| 5.4.11 | Factorial Program In Java Using While Loop |
| 5.5 | Jump Statements |
| 5.5.1 | Jump Statements In Java |
| 5.5.2 | Using Break In for Loop To Exit |
| 5.5.3 | Using break in switch case Statement |
| 5.5.4 | Using Java Break Statements as Java Goto |
| 5.5.5 | Using break In Nested Loop Java Program |
| 5.5.6 | Java continue Statement |
| 5.5.7 | Java return Statement |
| 5.6 | Java for loops vs Java while loops vs Java do while loops |
| 6 | Methods - Importance |
| 6.1 | Basic Java Methods |
| 6.2 | Java Methods |
| 6.3 | Java Methods - Parameter Passing And Scope |
| 6.4 | Java Program To Find Simple Interest Using Methods |
| 6.5 | Recursive In Java |
| 7 | Array - Overview |
| 7.1 | Java Array |
| 7.2 | Creation And Declaration Of Array In Java |
| 7.3 | Arraylist Access Using Index |
| 7.4 | Java Multidimensional Array |
| 7.5 | Java Array Initialization |
| 7.6 | Learn Arrays And Loops |
| 7.7 | Java Code To Print Student Details Using Arrays |
| 7.8 | For-each Loop In Core Java Programming |
| 7.9 | Command Line Arguments In Core Java Programming |
| 8 | Classes |
| 8.1 | Java Class |
| 8.2 | Java Classes and Java Objects |
| 8.3 | Java Objects References |
| 8.4 | Member Variable In Java |
| 8.5 | Class References And Objects In Java |
| 8.6 | To Print Student Details Using Classes In Java |
| 8.7 | Create Objects Using Constructors In Java |
| 8.8 | Class With Multiple Constructors In Java |
| 8.9 | this Keyword In Java |
| 8.10 | Behavior Of Java Classes Using Methods |
| 8.11 | Java Multiple Methods In One Class |
| 8.12 | Calling A Class From Another Class In Java |
| 8.13 | Creating A Class For Data Validation |
| 8.14 | Java Program To Find Rectangle Area & Perimeter Using Classes |
| 8.15 | Java Program to Find Area of Various Shapes Using Classes |
| 8.16 | Java Program To Compare Movies |
| 9 | Class Inheritance |
| 9.1 | Java Class Inheritance |
| 9.2 | Is-A Relationship In Java |
| 9.3 | Passing Sub Class Object As Super Class Reference |
| 9.4 | Assigning Sub Class Object To Super Class Reference In Java |
| 9.5 | Assigning Super Class Reference To A Sub Class Reference In Java |
| 9.6 | Multilevel Inheritance In Java With Example Program |
| 10 | Methods Overiding, Overloading |
| 10.1 | Method Overloading In Java |
| 10.2 | Is Java Pass by Reference or Pass by Value |
| 10.3 | Method Overriding In Java |
| 10.4 | Inheritance Example Program To Remove Duplicate Code |
| 10.5 | How A Method Can Be Overridden In Different Ways |
| 10.6 | Method Overloading Vs Method Overriding |
| 10.7 | Super Keyword In Java To Call Super Class Constructor |
| 10.8 | Inheritance And Constructors In Java |
| 10.9 | Dynamic Method Dispatch - Calling Overridden Methods In Java |
| 10.10 | Run Time Polymorphism In Java |
| 11 | Abstract Class And Methods |
| 11.1 | Java Abstract Class |
| 11.2 | Abstract Method In Java |
| 11.3 | Rules For Abstract Methods and Abstract Classes |
| 11.4 | Creating Array Of Objects In Java |
| 11.5 | Java Program To Find Largest Area by Comparing Various Shapes |
| 11.6 | Java Program For Cricket Players Using Class Hierarchy |
| 12 | Interfaces, Packages and Access Control |
| 12.1 | Java Interface |
| 12.2 | Difference Between Interfaces And Abstract Classes |
| 12.3 | Future Task Java Program Using Interfaces |
| 12.4 | Creating Interface In Java With Example Program |
| 12.5 | Java Package |
| 12.6 | How To Compile Classes in Package |
| 12.7 | Using private Keyword In Java For Access Control |
| 12.8 | Access Modifiers In Java |
| 12.9 | Java Access Modifiers With Example Program |
| 13 | final, static and others |
| 13.1 | final Keyword In Java |
| 13.2 | Static Keyword In Java |
| 13.3 | Creating Static Methods In Java Using Static Keyword |
| 13.4 | Singleton Design Pattern In Java |
| 13.5 | Java Program To Explain Public Static Void Main |
| 13.6 | Static and Non Static Variables - Static and Non Static Methods |
| 14 | Object Oriented Concepts - Revisited |
| 14.1 | Abstraction in Java |
| 14.2 | Polymorphism In Java |
| 14.3 | Encapsulation In Java |
| 14.4 | Inheritance In Java |
| 15 | Exceptions |
| 15.1 | Why Java Throws Exceptions |
| 15.2 | How To Handle An Exception In Java |
| 15.3 | Exception Handling In Java with Example Program |
| 15.4 | Try Catch Block In Java |
| 15.5 | Java Multiple Catch Block With Example Program |
| 15.6 | Java Finally Block In Exception Handling |
| 15.7 | User Defined Exception In Java |
| 15.8 | Java Throw Keyword - Java Throws Keyword |
| 15.9 | Difference Between Error and Exception in Java |
| 15.10 | Checked Exception Vs Unchecked Exception In Java |
| 15.11 | Java Built In Exceptions Checked Exceptions, Unchecked Exceptions |
| 15.12 | Exception Handling Syntax In Java Programming |
| 16 | Multithreaded Programming |
| 16.1 | Thread Concept In Java |
| 16.2 | The Java Thread Model |
| 16.2.1 | Creation Of Threads In Java |
| 16.2.2 | Java Inter Thread Communication With Example |
| 16.3 | Synchronization |
| 16.3.1 | Thread Synchronization In Java Using 'Synchronized' |
| 16.3.2 | static synchronized In Java |
| 16.3.3 | Java Synchronized Blocks |
| 16.4 | Handling Thread DeadLock In Java |
| 16.5 | Java Thread Group |
| 16.6 | Modern Ways Of Suspending, Resuming And Stopping Threads In Java |
| 17 | Generics |
| 17.1 | Java Generics |
| 17.2 | A Simple Generics Example |
| 17.2.1 | How Generics Improve Type Safety In Java |
| 17.3 | A Generic Class With Two Type Parameters In Java |
| 17.4 | Java Bounded Type - Bounded Type In Java |
| 17.5 | Generics Wildcards In Java With Examples |
| 17.6 | Java Generics In Methods And Constructors |
| 17.7 | Generic Interface In Java |
| 17.8 | Java Type Erasure |
| 18 | Strings |
| 18.1 | Java String |
| 18.2 | Java length() Method | length() Method In Java - Strings |
| 18.3 | Special String Operations |
| 18.3.1 | Literals In Java |
| 18.3.2 | Java String concatenation - concat() Method In Java |
| 18.3.3 | Java String Concatenation with Other Data Types |
| 18.3.4 | Java String Conversion - toString() Method In Java |
| 18.4 | Character Extraction |
| 18.4.1 | charAt() Method In Java - Java Character Extraction |
| 18.4.2 | getChars() Method In Java |
| 18.4.3 | Java Character Extraction - Java String getBytes() Method |
| 18.4.4 | Java Character Extraction - toCharArray() Method In Java |
| 18.5 | String Comparison |
| 18.5.1 | Java String Comparison Methods - Equals and EqualsIgnoreCase |
| 18.5.2 | Java regionMatches() Method - String Comparison |
| 18.5.3 | Java String startsWith() And endsWith() Methods |
| 18.5.4 | Java equals method vs == Operator |
| 18.5.5 | Java compareTo() method |
| 18.6 | Java Searching Strings - Java indexOf, lastIndexOf Methods |
| 18.7 | Modifying a String |
| 18.7.1 | Java String substring() method - substring In Java |
| 18.7.2 | concat() method In Java |
| 18.7.3 | replace() Method In Java |
| 18.7.4 | Java String trim() Method - trim() Method In Java |
| 18.8 | Data Conversion Using valueOf In Java |
| 18.9 | toLowerCase() And toUpperCase() Methods In Java |
| 18.10 | Additional String Methods in Java |
| 18.11 | Java String Arrays - String Arrays In Java |
| 18.12 | StringBuffer |
| 18.12.1 | Java StringBuffer |
| 18.12.2 | Java StringBuffer |
| 18.12.3 | Java StringBuffer length() And capacity() Methods |
| 18.12.4 | Java StringBuffer ensureCapacity() Method With Example |
| 18.12.5 | Java setLength() Method In StringBuffer Class |
| 18.12.6 | Java charAt() And setCharAt() Methods in StringBuffer |
| 18.12.7 | StringBuffer getChars() Method In Java With Example |
| 18.12.8 | Java append() Method In StringBuffer |
| 18.12.9 | Java StringBuffer insert() Method With Example |
| 18.12.10 | Java StringBuffer, reverse() - Reverse A String In Java |
| 18.12.11 | Java delete() and deleteCharAt() Methods In StringBuffer |
| 18.12.12 | Java StringBuffer replace() Method With Example |
| 18.12.13 | Java substring |
| 18.12.14 | Additional StringBuffer Methods In Java |
| 18.13 | StringBuilder Class In Java |
| 18.14 | Conclusion Of Strings In Java |
| 19 | Exploring java.lang |
| 19.1 | Primitive Type Wrappers |
| 19.1.1 | Java Number Class |
| 19.1.2 | Java Double Class And Java Float Class |
| 19.1.3 | Java isInfinite() And isNaN() Methods In Double Class |
| 19.1.4 | Creating Objects for Primitive Data Types (Byte, Short) |
| 19.1.5 | Converting Numbers to and from Strings In Java |
| 19.1.6 | Java Character Class |
| 19.1.7 | Character Unicode, Code Point Support In Java |
| 19.1.8 | Java Boolean Class |
| 19.2 | Java Void Class |
| 19.3 | Java Process Class |
| 19.4 | Java Runtime Class - java.lang.Runtime |
| 19.5 | Java ProcessBuilder |
| 19.6 | System |
| 19.6.1 | Using currentTimeMillis() Method In Java |
| 19.6.2 | System Class arraycopy() Method In Java |
| 19.6.3 | Java Environment Properties |
| 19.7 | Object As A Super Class In Java |
| 19.8 | clone() Method And cloneable Interface In Java |
| 19.9 | java.lang.class - Java Library |
| 19.10 | Java ClassLoader |
| 19.11 | Java Math Class - java.lang.Math |
| 19.12 | Java Package Class |
| 19.13 | Java Enumeration |
| 19.14 | Java Comparable Interface with Example |
| 19.15 | Conclusion (Exploring java.lang) |
| 20 | Collections Framework |
| 20.1 | Java Collections Overview |
| 20.2 | Collection Interface |
| 20.2.1 | Java List Interface |
| 20.2.2 | Set Interface In Java |
| 20.2.3 | Java SortedSet Interface |
| 20.2.4 | Java NavigableSet Interface |
| 20.3 | Collection Classes |
| 20.3.1 | Java ArrayList |
| 20.3.2 | Java LinkedList |
| 20.3.3 | HashSet Class In Java |
| 20.3.4 | Java LinkedHashSet |
| 20.3.5 | Java TreeSet - TreeSet Examples in Java |
| 20.3.6 | Java PriorityQueue - PriorityQueue In Java |
| 20.3.7 | Java ArrayDeque Class |
| 20.3.8 | Java EnumSet |
| 20.4 | Iterator |
| 20.4.1 | Java Iterator |
| 20.4.2 | List Iterator In Java |
| 20.5 | Map Interfaces |
| 20.5.1 | Java Map Interfaces - HashMap, TreeMap, LinkedHashMap |
| 20.5.2 | Java SortedMap Interface |
| 20.5.3 | Java NavigableMap |
| 20.5.4 | Java Map.Entry Interface |
| 20.6 | Map Classes |
| 20.6.1 | Java HashMap Implementation |
| 20.6.2 | TreeMap In Java - java.util.TreeMap |
| 20.6.3 | Java WeakHashMap Class |
| 20.6.4 | LinkedHashMap In Java with Code Example |
| 20.6.5 | Java IdentityHashMap |
| 20.6.6 | Java EnumMap |
| 20.7 | Java Comparators |
| 20.8 | Collection Algorithms |
| 20.8.1 | Java Collection Algorithms |
| 20.8.2 | Java Read-only Collections And Algorithms |
| 20.8.3 | Java Thread Safe Collections & Algorithms |
| 20.8.4 | Java Singleton |
| 20.8.5 | Java nCopies Collections - Collections.nCopies() Method |
| 20.9 | java.util.Arrays - Class Arrays In Collection Framework |
| 20.10 | Why Collections Are Generic In Java? |
| 20.11 | Legacy Classes and Interfaces |
| 20.11.1 | Java Enumeration Interfaces - Java Enumeration Examples |
| 20.11.2 | Java Vector |
| 20.11.3 | Stack In Java - java.util.Stack Class |
| 20.11.4 | Java Dictionary Class - java.util.Dictionary |
| 20.11.5 | Java Hashtable |
| 20.11.6 | Java Properties Class - java.util.Properties Class |
| 20.12 | Collection Framework In Java |
| 21 | More Utility Classes |
| 21.1 | Java Collections - Utility Classes In Java |
| 21.2 | StringTokenizer In Java |
| 21.3 | Java BitSet |
| 21.4 | Java Date Class |
| 21.5 | Calendar In Java - java.util.Calendar Class |
| 21.6 | Java GregorianCalendar |
| 21.7 | Java TimeZone Class |
| 21.8 | Java SimpleTimeZone |
| 21.9 | Locale Class In Java |
| 21.10 | Java Random Class - java.util.Random Package |
| 21.11 | Java Observable |
| 21.12 | Java Timer Class And Java TimerTask Class |
| 21.13 | Java Currency Class |
| 21.14 | Formatter |
| 21.14.1 | Java Formatter Class |
| 21.14.2 | Java Formatter Methods |
| 21.14.3 | Java Formatter |
| 21.14.4 | Formatting Strings And Characters By Using Formatter |
| 21.14.5 | Java Formatting Numbers |
| 21.14.6 | Formatting Date And Time In Java With Example |
| 21.15 | Scanner |
| 21.15.1 | Java Scanner Class Constructors With Example |
| 21.15.2 | Java Scanner Class Methods With Examples |
| 21.16 | Java ResourceBundle, ListResourceBundle And PropertyResourceBundle Classes |
| 21.17 | java.util Subpackages |
| 21.17.1 | Usage Of java.util.logging Package |
| 21.17.2 | Java Regular Expression |
| 22 | Input/Output: Exploring java.io |
| 22.1 | Java Input/Output Classes And Interfaces |
| 22.2 | File |
| 22.2.1 | Java Directories - isDiretory() Method In Java |
| 22.2.2 | Using FilenameFilter Interface In Java |
| 22.2.3 | Alternative For list() Method - listFiles() Method |
| 22.2.4 | Creating Directories In Java - Creating Java Directories |
| 22.3 | AutoCloseable, Closeable And Flushable Interfaces In Java |
| 22.4 | Java I/O Exceptions - I/O Exceptions In Java |
| 22.5 | Two Ways To Close A Stream In Java |
| 22.6 | Java Stream Classes |
| 22.7 | Byte Streams |
| 22.7.1 | Java InputStream Class |
| 22.7.2 | Java OutputStream Class |
| 22.7.3 | Java FileInputStream |
| 22.7.4 | Java FileOutputStream |
| 22.7.5 | Java ByteArrayInputStream |
| 22.7.6 | Java ByteArrayOutputStream |
| 22.7.7 | Java Filtered Byte Streams |
| 22.7.8 | Java Buffered Byte Streams |
| 22.7.9 | Java BufferedInputStream |
| 22.7.10 | Java BufferedOutputStream - BufferedOutputStream In Java |
| 22.7.11 | Java PrintStream Class |
| 22.7.12 | DataInputStream And DataOutputStream In Java |
| 22.7.13 | Java RandomAccessFile |
| 22.8 | Character Streams |
| 22.8.1 | Reader Class In Java |
| 22.8.2 | Java Writer Class |
| 22.8.3 | Java FileReader |
| 22.8.4 | Java FileWriter |
| 22.8.5 | Java CharArrayReader |
| 22.8.6 | Java CharArrayWriter |
| 22.8.7 | BufferedReader In Java |
| 22.8.8 | Java BufferedWriter |
| 22.8.9 | PrintWriter Class In Java |
| 22.9 | Java Console Class |
| 22.10 | Serialization |
| 22.10.1 | Serialization In Java |
| 22.10.2 | Externalizable In Java with Example |
| 22.10.3 | Java ObjectOutput |
| 22.10.4 | Java ObjectOutputStream |
| 22.10.5 | Java ObjectInput |
| 22.10.6 | Java ObjectInputStream |
| 22.10.7 | Java Serialization Process - |
| 22.11 | Java Stream Benefits |
| 22.12 | Conclusion To Input/Output (Exploring java.io) |
| 23 | Other Core Java Topics |
| 23.1 | Other Advanced Topics In Java |
| 23.2 | Advanced Java Programming Concepts |
