• Static methods are always which are recommended to perform one operation.
• Like opening the files, obtaining a data base connection etc.
• Programmatically static methods definitions must be preceded by static keyword.
• Each and every static method must be accessed with respect class name.
• Example:
  public static void main ()
{
S1.getTotal();
}
• Syntax:
  static ReturnType methodname (parameters if any)
{
Block of statements;
}
• Static Member Function made changes in static data member and that changes are comman for all class.
• One static method can call another static method directly provided both the static methods belong to same class.
• One static method can call another instance method with respective to an object without considering whether the same class or different class.

class Employee
{
	static String cname;
	String ename;
static void change()
	{
	cname="HCL";
	}
public static void main(String...a)
	{
	System.out.println(Employee.cname);
	Employee.change();
	System.out.println(Employee.cname);
	}
}
To Compile - javac employee.java
To Run - java Employee
Result - 	null
		HCL

• Instance methods are always recommended to perform repeated operations.
• Like reading records from the data base etc.
• Programmatically instance methods definitions should not be preceded by a keyword static.
• Each and every instance method must be access with respective Object name.
• Example:
  void getTotal()
{
Tot= m1+ m2+ m3;
}
• Syntax:
  ReturnType methodname (parameters if any)
{
Block of statements;
}
• The changes made by Instance Member Function are separate for each object.
• One instance method can call another instance method directly provided both the instance methods belong to same class.
• One instance method can call another static method with respective to class name without considering the same class name or different class name.

class Employee
{
	static String cname="HCL";
	String ename;
void change(String e)
{
ename=e;
Systme.out.println(ename);
}
public static void main(String ...a)
	{
	Employee e1=new Employee;
	System.out.println(e1.ename);
	e1.change("EduEye");
	}
}
To Compile - javac employee.java
To Run - java Employee
Result - 	null
		EduEye