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/** * Student is a class that holds students' names, ids, ages, and addresses. These can also be altered when needed. *  * @author (Louisa Clarkson)  * @version (version 1) */public class Student{    String firstName;    String lastName;    String fullName;    String name;    int id;    int age;    String addressLine1;    String addressLine2;        /**     * Constructor for objects of class Student     */    public Student(String firstName, String lastName, int id, int age, String addressLine1, String addressLine2)    {       setName(firstName, lastName);       this.id = id;       this.age = age;       setAddress(addressLine1, addressLine2);    }    /**     * Alternative constructor for objects of class Student     */    public Student(String fullName, int id, int age, String addressLine1, String addressLine2)    {        int posOfSpace = fullName.indexOf(" ");                if (posOfSpace > 0)        {            setName(fullName.substring(0, posOfSpace),                    fullName.substring(posOfSpace + 1));        }        else        {            setName( "" , fullName );        }        setAddress(addressLine1, addressLine2);                this.id = id;        this.age = age;            }        public void printAddressLabel()    {           if (firstName.length() > 0 )        {                    System.out.println(firstName + " " + lastName + " (#" + id + ")");        } else {            System.out.println(lastName + " (#" + id + ")");        }        System.out.println(addressLine1);        System.out.println(addressLine2);    }    public String getFirstName()    {        return firstName;    }        public String getLastName()    {        return lastName;    }        public int getId()    {        return id;    }        public int getAge()    {        return age;    }        public String addressLine1()    {        return addressLine1;    }        public String addressLine2()    {        return addressLine2;    }        public void setName(String firstName, String lastName)    {               this.firstName = standardiseCase(firstName);       this.lastName = standardiseCase(lastName);    }        public void setAddress(String addressLine1, String addressLine2)    {       this.addressLine1 = addressLine1;       this.addressLine2 = addressLine2;    }         private String standardiseCase(String name)    {        String nameChar1;        String nameCharRest;        if (name.length() > 1)         {            nameChar1 = name.substring(0, 1);            nameCharRest = name.substring(1);            nameChar1 = nameChar1.toUpperCase();            nameCharRest = nameCharRest.toLowerCase();        }        else        {            nameChar1 = name.toUpperCase();            nameCharRest = "";        }        return nameChar1 + nameCharRest;    }        public boolean canBuyAlcohol()    {        return(age >= 18);    }}