Examples of stamp and data coupling

StampAndDataCoupling.java

//Stamp coupling
public EmployeeAddress findAddressFor(EmployeeData employeeData) {
 
	EmployeeAddress address = repository
		.findByEmployeeId(employeeData.getId())
	//method body
	return address;
}
 
//Data coupling
public ZipCode findZipCodeFor(EmployeeId employeeId) {
 
	EmployeeAddress address = repository
		.findByEmployeeId(employeeId)
	//method body
	return address.getZipCode();
}