Write simple java and command line to compile and run

Solution

importjava.util.*;

interface Movers {

public void move();

}

class Cat implements Movers {

public void move() {

System.out.println(“runs like a cat”);

}

}

class Fish implements Movers {

public void move() {

System.out.println(“swims like a fish”);

}

}

class Exam {

public static void main(String[] args) {

Collection<Movers> movers = new ArrayList<Movers>();

movers.add(new Fish());

movers.add(new Cat());

for (Movers mover : movers) {

mover.move();

}

}

}

classExamException extends Exception {}

// answer for part (a)

void f2() throws ExamException {

throw new ExamException();

}

// answer for part (b)

void f1() {

try {

f2();

} catch (ExamException e) {

e.printStackTrace();

}

}