Day 5.java

public class Person {
    private int age;	
  
	public Person(int initialAge) {
  		// Add some more code to run some checks on initialAge
          if(initialAge>0)
          {
              age=initialAge;
          }
          else
          {
              age=0;
              System.out.println("Age is not valid, setting age to 0.");
          }
	}


	public void amIOld() {
  		// Write code determining if this person's age is old and print the correct statement:
          if(age<13)
          {
             System.out.println("You are young.");
          }
        else if(age>=13&&age<18)
        {
            System.out.println("You are a teenager.");
        }
        else
        System.out.println("You are old.");
	}

	public void yearPasses() {
  		// Increment this person's age.
          age++;
	}