[Training Video

Employee.log=log

Employee e1 = new Employee()
Employee e2 = new Employee()
e1.name = "A"
e1.salary = 100

e2.name = "B"
e2.salary = 200

e1.printName()
e2.printName()
def newSalary = e1.increaseSalary(100)
log.info "New salary of A is $newSalary"
e2.increaseSalary(100)

log.info "Salary of $e1.name is $e1.salary"
log.info "Salary of $e2.name is $e2.salary"

class Employee {
	def static log
	def name
	def salary

	public void printName(){
		log.info name
	}

	public int  increaseSalary(amt){
		salary = salary+amt
		return salary
	}
}

Run Result:

Tue Oct 06 19:24:47 CST 2015:INFO:A
Tue Oct 06 19:24:47 CST 2015:INFO:B
Tue Oct 06 19:24:47 CST 2015:INFO:New salary of A is 200
Tue Oct 06 19:24:47 CST 2015:INFO:Salary of A is 200
Tue Oct 06 19:24:47 CST 2015:INFO:Salary of B is 300