class Employee { /* instance variables / member datas*/ int empno; String name; float sal; void setDetails(){ empno = 102; name = "Pankaj"; sal = 5000.5f; } void displayDetails(){ System.out.println(empno+" | "+name+" | "+sal); } }//class class ObjectTest1 { public static void main(String[] args) { /*create an object of Employee */ Employee emp = new Employee(); /* access the properties of employee*/ System.out.println(emp.empno+" | "+emp.name+" | "+emp.sal); /* to assign values to member datas using reference*/ emp.empno = 101; emp.name = "Sunil"; emp.sal = 2500.5f; emp.displayDetails(); /* to assign values to member datas using method*/ emp.setDetails(); emp.displayDetails(); } }