Java : Class object creation
This is about to provide the real time developments notes .
Java:
1.How to write a class
class Employee{
int id; //for employee id
String name; //for employee name
}
2. How to create a object of class
i.e
Employee emp=new Employee();
Note emp is an object of class employee.
3.How to write a method in class
i.e;
Class Employee {
public void m1() //m1 method has written
{
//logic
}
}
4. How to call a method
Fisrt create the object .
then call the method as follow
emp.m1();
5. Example :complete example
------------------------------------------------------------------
class employee
{
int id;
String name;
employee(int id,String name){
id=this.id;
name=this.name; //
}
public void m1(){
system.out.println(" hello m1 method calling ") ;
}
}
//object creation and parameter calling
Employee emp=new Employee();
---------------------------------------------------------------
Java:
1.How to write a class
class Employee{
int id; //for employee id
String name; //for employee name
}
2. How to create a object of class
i.e
Employee emp=new Employee();
Note emp is an object of class employee.
3.How to write a method in class
i.e;
Class Employee {
public void m1() //m1 method has written
{
//logic
}
}
4. How to call a method
Fisrt create the object .
then call the method as follow
emp.m1();
5. Example :complete example
------------------------------------------------------------------
class employee
{
int id;
String name;
employee(int id,String name){
id=this.id;
name=this.name; //
}
public void m1(){
system.out.println(" hello m1 method calling ") ;
}
}
//object creation and parameter calling
Employee emp=new Employee();
---------------------------------------------------------------
Comments
Post a Comment