#csc 15

Study for understanding the following terms: identifiers object/instance scope: local/global static/non-static public/private class members inheritance constructor mutator accessor overloading

//Christopher Smith //Lab 13 Classes, Extends // import java.util.Scanner;  //keyboard input public class lab13 { public static void main (String[] args) { HouseClass house1 = new HouseClass(); HouseClass house2 = new HouseClass(); //take input referring to sub class EnterInfo in both petclass and dateclass System.out.println("Enter your information"); house1.EnterInfo(); System.out.println(); System.out.println("Enter your information"); house2.EnterInfo(); System.out.println(); //printing the entered info back out house1.PrintInfo(); System.out.println(); house2.PrintInfo(); System.out.println(); } } ------------------------------------------------------------------------------------------------ //Christopher Smith //CSC 15 Lab 13 Classes, Extends //HouseClass import java.util.Scanner; public class HouseClass extends PersonClass{ //chain of events, pulls info from PersonClass which extends down through all other classes private String address,acre; //accessor public String GetAddress() {return address;} public String GetAcre() {return acre;} //mutator public void SetAddress(String address_given){address=address_given;} public void SetAcre(String acre_given){acre=acre_given;} //print info (includes PersonClass and downward) public void PrintInfo(){ System.out.println("Address is "+GetAddress()); System.out.println("Acreage is "+GetAcre()); super.PrintInfo(); //PrintInfo from PersonClass } //keyboard input public void EnterInfo(){ Scanner kb = new Scanner (System.in); System.out.print("Enter Address"); SetAddress(kb.nextLine()); System.out.print("Enter Acreage"); SetAcre(kb.nextLine()); super.EnterInfo(); } } -------------------------------------------------------------------------------- //Christopher Smith //Lab 13 Classes, Extends //PersonClass import java.util.Scanner; public class PersonClass extends PetClass{ //pulling all info from PetClass which also pulls info from DateClass private String PersonName; public int m,d,y; //accessor public String GetPersonName() {return PersonName;} //mutator public void SetPersonName(String PersonName_given){PersonName=PersonName_given;} //print info (includes PetClass which includes DateClass) public void PrintInfo(){ System.out.println("Name is "+GetPersonName()); System.out.println("Born "+m+"/"+"/"+d+"/"+y); super.PrintInfo(); //printing info from PetClass } //keyboard input (for entry to name as well as PetClass and downward) public void EnterInfo(){ Scanner kb = new Scanner (System.in); //keyboard input System.out.print("Enter person's name"); SetPersonName(kb.nextLine()); System.out.print("Enter person's birthday"); System.out.print("Enter month"); m = kb.nextInt(); System.out.print("Enter day"); d = kb.nextInt(); System.out.print("Enter Year"); y = kb.nextInt(); super.EnterInfo();//pulling up PetClass EnterInfo() } } ----------------------------------------------------------------------------------- //Christopher Smith //CSC 15 Lab13 taken from lab 12 //Classes, Extends //PetClass import java.util.Scanner; public class PetClass extends DateClass { private String name,weight,length; //private string variables for use in this class //accessor (makes private variables into a public available variable) public String GetName() {return name;} public String GetWeight() {return weight;} public String GetLength() {return length;} //mutator (uses private variables to modify the data stored in them) public void SetName (String name_given){name=name_given;} public void SetWeight (String weight_given){weight=weight_given;} public void SetLength (String length_given){length=length_given;}//variable length_given used from keyboard input /* It's almost like with accessors and mutators everythings backwards.  Your keyboard input goes into the mutator which feeds into the accessor.   */ //sub class used for displaying everything in petClass and dateClass public void PrintInfo() { System.out.println("Name is "+GetName()); System.out.println("Weight is "+GetWeight()); System.out.println("Length is "+GetLength()); System.out.print("Birthdate "); super.PrintInfo();//pulls birthdate info from my date class } //keyboard input used by mutator public void EnterInfo() { Scanner kb = new Scanner (System.in); //keyboard input defined as kb System.out.print("Enter Pet's Name: "); SetName(kb.nextLine()); //next string entry before enter used for kb input, sets name. System.out.print("Enter Weight: "); SetWeight(kb.nextLine());//next string sets pet weight System.out.print("Enter Length: "); SetLength(kb.nextLine());//next string sets pet length System.out.print("Enter Pet's Birthdate: "); super.EnterInfo();//writing to dateclass enterinfo } } ---------------------------------------------------------------------------------------------------------------------- //Christopher Smith //CSC 15 lab 13 Classes, Extends //DateClass import java.util.Scanner; public class DateClass { //public so can be called upon by other classes private int mm, dd, yy; //private variables for this class only; used to store integers for date //accessor used to create public accessible variables for use in other classes public int GetMM() {return mm;} public int GetDD() {return dd;} public int GetYY() {return yy;} //mutators, calls upon keyboard input to modify the variables public void SetMM (int mm_given){mm=mm_given;} public void SetDD (int dd_given){dd=dd_given;} public void SetYY (int yy_given){yy=yy_given;} //information display public void PrintInfo() { System.out.println("Date is: "+GetMM()+"/"+GetDD()+"/"+GetYY()); } //for keyboard input to be used by mutator public void EnterInfo() { Scanner kb = new Scanner (System.in); //keyboard input defined as kb System.out.print("Enter Month: "); SetMM(kb.nextInt()); System.out.print("Enter Day: "); SetDD(kb.nextInt()); System.out.print("Enter Year: "); SetYY(kb.nextInt()); } }