/** * * SuperHero class */ //SuperHero.java public class SuperHero { //static variable private static int numberOfHeros; //private data member private String heroName; private String secretIdentiy; private int numberOfLifeChances; private int numberOfPeopleSaved; //constructor that takes three arguments public SuperHero(String initHeroName,String initSecretIdentity, int initPeopleSaved) { numberOfHeros++; numberOfLifeChances=2; heroName=initHeroName; secretIdentiy=initSecretIdentity; numberOfPeopleSaved=initPeopleSaved; } //constructor takes only name public SuperHero(String initHeroName) { heroName=initHeroName; numberOfHeros++; numberOfLifeChances=2; secretIdentiy=\"unknowm\"; numberOfPeopleSaved=0; } //Static method that returns the number of heros public static int getNumberOfHeros() { return numberOfHeros; } /*The method recordSave that increments the count of numberOfPeopleSaved by one.*/ public void recordSave(){ numberOfPeopleSaved++; } /*The method recordSave that takes a number of people saved * and add to numberOfPeopleSaved.*/ public void recordSave(int num){ numberOfPeopleSaved+=num; } public void killHero(){ if(numberOfLifeChances>1) numberOfLifeChances--; else System.out.println(\"Dead\"); } public void printSuperHeoRecord(){ System.out.println(\"Name :\"+heroName); System.out.println(\"Secret Identity:\"+secretIdentiy); String status=numberOfLifeChances>0?\"Alive\":\"Dead\"; System.out.println(\"Status: \"+status); System.out.println(\"Peaple Saved: \"+numberOfPeopleSaved); } } -------------------------------------------------------------------------------------------------------------------- ------------------- /* * The java TestSuperHero that tests the methods of * SuperHero class and prompts * user to enter name and secret code and * prints the information to console. * */ //TestSuperHero.java import java.util.Scanner; public class TestSuperHero { public static void main(String[] args) { //Create a Scanner object Scanner scan=new Scanner(System.in); //Create an superhero called Spider-Man System.out.println(\"Creating Spider-Man......\"); SuperHero spiderman=new SuperHero(\"Spider-Man\"); //Ask the user to enter a superhero name System.out.println(\"\ What is the name of your superheo?\"); String heroName=scan.nextLine(); System.out.println(\"What is his secret identity?\"); String secretIdentity=scan.nextLine(); System.out.println(\"Createing your super hero.......\"); SuperHero myHero=new SuperHero(heroName, secretIdentity, 10); System.out.println(\"\ Spider-Man just saved 100 lives!\"); spiderman.recordSave(100); System.out.println(\"OOps, Spider-Man was shot dead twice!\"); //killing spider man twice spiderman.killHero(); spiderman.killHero(); System.out.println(\"\ Your hero saved a kidnapped kid\"); System.out.println(\"but was shot once\"); //calling recordSave myHero.recordSave(1); System.out.println(\"\ ---- Superhero information-----\"); //calling static method getNumberOfHeros(); int numHeroes=SuperHero.getNumber.

1. /**
*
* SuperHero class */
//SuperHero.java
public class SuperHero {
//static variable
private static int numberOfHeros;
//private data member
private String heroName;
private String secretIdentiy;
private int numberOfLifeChances;
private int numberOfPeopleSaved;
//constructor that takes three arguments
public SuperHero(String initHeroName,String initSecretIdentity,
int initPeopleSaved) {
numberOfHeros++;
numberOfLifeChances=2;
heroName=initHeroName;
secretIdentiy=initSecretIdentity;
numberOfPeopleSaved=initPeopleSaved;
}
//constructor takes only name
public SuperHero(String initHeroName) {
heroName=initHeroName;
numberOfHeros++;
numberOfLifeChances=2;

2. secretIdentiy="unknowm";
numberOfPeopleSaved=0;
}
//Static method that returns the number of heros
public static int getNumberOfHeros()
{
return numberOfHeros;
}
/*The method recordSave that increments the count
of numberOfPeopleSaved by one.*/
public void recordSave(){
numberOfPeopleSaved++;
}
/*The method recordSave that takes a number of people saved
* and add to numberOfPeopleSaved.*/
public void recordSave(int num){
numberOfPeopleSaved+=num;
}
public void killHero(){
if(numberOfLifeChances>1)
numberOfLifeChances--;
else
System.out.println("Dead");
}
public void printSuperHeoRecord(){
System.out.println("Name :"+heroName);
System.out.println("Secret Identity:"+secretIdentiy);
String status=numberOfLifeChances>0?"Alive":"Dead";
System.out.println("Status: "+status);

3. System.out.println("Peaple Saved: "+numberOfPeopleSaved);
}
}
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-------------------
/*
* The java TestSuperHero that tests the methods of
* SuperHero class and prompts
* user to enter name and secret code and
* prints the information to console.
* */
//TestSuperHero.java
import java.util.Scanner;
public class TestSuperHero {
public static void main(String[] args) {
//Create a Scanner object
Scanner scan=new Scanner(System.in);
//Create an superhero called Spider-Man
System.out.println("Creating Spider-Man......");
SuperHero spiderman=new SuperHero("Spider-Man");
//Ask the user to enter a superhero name
System.out.println(" What is the name of your superheo?");
String heroName=scan.nextLine();
System.out.println("What is his secret identity?");
String secretIdentity=scan.nextLine();
System.out.println("Createing your super hero.......");
SuperHero myHero=new SuperHero(heroName, secretIdentity, 10);
System.out.println(" Spider-Man just saved 100 lives!");

4. spiderman.recordSave(100);
System.out.println("OOps, Spider-Man was shot dead twice!");
//killing spider man twice
spiderman.killHero();
spiderman.killHero();
System.out.println(" Your hero saved a kidnapped kid");
System.out.println("but was shot once");
//calling recordSave
myHero.recordSave(1);
System.out.println(" ---- Superhero information-----");
//calling static method getNumberOfHeros();
int numHeroes=SuperHero.getNumberOfHeros();
System.out.println("There are "+numHeroes+" known superheroes");
//calling printSuperHeoRecord()
spiderman.printSuperHeoRecord();
System.out.println();
//calling printSuperHeoRecord()
myHero.printSuperHeoRecord();
}
}
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-------------------
Sample Output:
Creating Spider-Man......

5. What is the name of your superheo?
Superman
What is his secret identity?
Clark
Createing your super hero.......
Spider-Man just saved 100 lives!
OOps, Spider-Man was shot dead twice!
Dead
Your hero saved a kidnapped kid
but was shot once
---- Superhero information-----
There are 2 known superheroes
Name :Spider-Man
Secret Identity:unknowm
Status: Alive
Peaple Saved: 100
Name :Superman
Secret Identity:Clark
Status: Alive
Peaple Saved: 11
Solution
/**
*
* SuperHero class */
//SuperHero.java
public class SuperHero {
//static variable
private static int numberOfHeros;
//private data member
private String heroName;
private String secretIdentiy;

6. private int numberOfLifeChances;
private int numberOfPeopleSaved;
//constructor that takes three arguments
public SuperHero(String initHeroName,String initSecretIdentity,
int initPeopleSaved) {
numberOfHeros++;
numberOfLifeChances=2;
heroName=initHeroName;
secretIdentiy=initSecretIdentity;
numberOfPeopleSaved=initPeopleSaved;
}
//constructor takes only name
public SuperHero(String initHeroName) {
heroName=initHeroName;
numberOfHeros++;
numberOfLifeChances=2;
secretIdentiy="unknowm";
numberOfPeopleSaved=0;
}
//Static method that returns the number of heros
public static int getNumberOfHeros()
{
return numberOfHeros;
}
/*The method recordSave that increments the count
of numberOfPeopleSaved by one.*/
public void recordSave(){

7. numberOfPeopleSaved++;
}
/*The method recordSave that takes a number of people saved
* and add to numberOfPeopleSaved.*/
public void recordSave(int num){
numberOfPeopleSaved+=num;
}
public void killHero(){
if(numberOfLifeChances>1)
numberOfLifeChances--;
else
System.out.println("Dead");
}
public void printSuperHeoRecord(){
System.out.println("Name :"+heroName);
System.out.println("Secret Identity:"+secretIdentiy);
String status=numberOfLifeChances>0?"Alive":"Dead";
System.out.println("Status: "+status);
System.out.println("Peaple Saved: "+numberOfPeopleSaved);
}
}
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-------------------
/*
* The java TestSuperHero that tests the methods of
* SuperHero class and prompts
* user to enter name and secret code and
* prints the information to console.
* */
//TestSuperHero.java
import java.util.Scanner;

8. public class TestSuperHero {
public static void main(String[] args) {
//Create a Scanner object
Scanner scan=new Scanner(System.in);
//Create an superhero called Spider-Man
System.out.println("Creating Spider-Man......");
SuperHero spiderman=new SuperHero("Spider-Man");
//Ask the user to enter a superhero name
System.out.println(" What is the name of your superheo?");
String heroName=scan.nextLine();
System.out.println("What is his secret identity?");
String secretIdentity=scan.nextLine();
System.out.println("Createing your super hero.......");
SuperHero myHero=new SuperHero(heroName, secretIdentity, 10);
System.out.println(" Spider-Man just saved 100 lives!");
spiderman.recordSave(100);
System.out.println("OOps, Spider-Man was shot dead twice!");
//killing spider man twice
spiderman.killHero();
spiderman.killHero();
System.out.println(" Your hero saved a kidnapped kid");
System.out.println("but was shot once");
//calling recordSave
myHero.recordSave(1);
System.out.println(" ---- Superhero information-----");

9. //calling static method getNumberOfHeros();
int numHeroes=SuperHero.getNumberOfHeros();
System.out.println("There are "+numHeroes+" known superheroes");
//calling printSuperHeoRecord()
spiderman.printSuperHeoRecord();
System.out.println();
//calling printSuperHeoRecord()
myHero.printSuperHeoRecord();
}
}
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-------------------
Sample Output:
Creating Spider-Man......
What is the name of your superheo?
Superman
What is his secret identity?
Clark
Createing your super hero.......
Spider-Man just saved 100 lives!
OOps, Spider-Man was shot dead twice!
Dead
Your hero saved a kidnapped kid
but was shot once
---- Superhero information-----
There are 2 known superheroes
Name :Spider-Man
Secret Identity:unknowm

10. Status: Alive
Peaple Saved: 100
Name :Superman
Secret Identity:Clark
Status: Alive
Peaple Saved: 11