In this presentation we introduce topic of core java that is required to learn if you want to be good java programmer. i provide all concept in detail.

1. Introduction To Java
Represented By
Shivendra Srivastwa
APSMIND TECHNOLOGY Pvt Ltd.
8750475003

2. Content Module
 Introduction to java
 Basic Programming concept
 OOPs Concept
 Class and object
 Encapsulation
 Inheritance
 Polymorphism
Package and Access Modifier.

3. Contd...
 Exception Handling
 Multithreading
 String Handling
 Collection
 Java IO
 Swing
 JDBC
 Project

4. What is java?
 Java is an OOPs based Internet Programming
language.
 Feature of java.
 Platform Independent
 Secured
 Simple
 Robust
 Multithreaded
 Distributed

5. OOPs concept
 Class : it is blue print of own object. We create
class in java using class keyword.
 class Student
 {
String name = “shivendra srivastwa “;
 }
 Object : objects are runtime entities that is used
to access property of class. We create object using
“new” keyword.
 Eg. Student st = new Student();

6. Encapsulation
 It is a way to wrap data member and methods in
single unit. Encapsulation is achieved at the time
of object creation.
Data Member
Methods

7. Simple java program.
 class FirstJava
 {
public static void main(String arg[])
{
System.out.println(“Let’s start java programming”);
}
 }

8. Inheritance
 Extending the Property of Parent class to child class known as
Inheritance.
 “extends” keyword is used for inheritance.
class Parent
{
//member of Parent
}
class child extends Parent
{
// member of parent
// member of child
}
Java support only single level , Multilevel and Hierchical
Inheritance.

9. Polymorphism
 One thing in many form known as
polymorphism.
 Compile Time Polymorphism(over loading).
 Run time polymorphism(overriding).

10. Exception handling
 Exceptions are unexpected condition that comes at
the time of program execution.
 Exception handling is a mechanism by which we can
handle exception. Java provide five key terms to
handle exception.
 1.try{} => is a block in which we write such code that
have may occur exception.
 2. catch(Exception e)=> catch the exception thrown by
try and take appropriate action.
 3.finally{}=> must be executable block.
 4.throw=> use to throw explicit exception.
 5.throws=>use as signboard to notify developer such
exception occur method.

11.  To be contd...