CommonExpression.java

// 1. 
int years = getYears(getDateOfBirth());
int months = getMonths(getDateOfBirth());
System.out.println("The age of the person is" + years + "years and "+months+" months");

// 2.
Date dob = getDateOfBirth();
int years = getYears(dob);
int months = getMonths(dob);
System.out.println("The age of the person is" + years + "years and "+months+" months");