Assignment 10 Ch 15 number 5

5.

fileIn = new Scanner( new FileReader(stdIn.nextLine()));

while(filein.hastNext()

{

numwords++;

}

Assignment 10.Problem 4

Part A.

import java.util.Scanner;

public class JavaAp5 {

/**

* @param args the command line arguments

*/

public static void main(String[] args) {

Scanner stdIn= new Scanner(System.in);

double n;

int d;

System.out.print("Enter Numerator:");

n=stdIn.nextDouble();

System.out.print("Enter divsor:");

d=stdIn.nextInt();

if (d==0)

{

System.out.print("please enter a value that is not zero");

d=stdIn.nextInt();

}

System.out.println(n/d);

Part B.

public static void main(String[] args) {

Scanner stdIn= new Scanner(System.in);

double n;

int d;

System.out.print("Enter Numerator:");

n=stdIn.nextDouble();

System.out.print("Enter divsor:");

d=stdIn.nextInt();

while(n!=0 && d!=0)

{

try

{

System.out.print("Please enter a numerator");

n=stdIn.nextDouble();

System.out.print("Please enter a denominator");

d=stdIn.nextInt();

}

catch (NumberFormatException e)

{

System.out.print("That was not a correct number");

}

}

System.out.println(n/d);

}

Chapter 13: Assignment 9

3.

Sparky= bark, bark lassie=animal

Sparky is generating a bark bark because you extended out the Animal class to Dog. and it returns a string of bark bark.

lassie is generating animal because thats what her class is calling.

8.

New Dog Lassie= animals[0]

New Cat fluffy= animals[1]

Assignment 9 Chapter 12

#8.

A. The problem will be that this method will not inherit the correct variables when another method calls it.

B. You should fix the problem by overriding that method with a .super extension.

#12.

1. Composition.

2.Composition.

3.inheritance

4. composition

5.composition.

6. inheritance

7.composition.

8.inheritance.

Chapter 11 #11-12

11. int w, x, y =z;

12. The expression Evaluates out to 'M'.

Assignment 8 #1,

Problem 6:

System.arraycopy(allSalaries,1,workerSalaries,0,7);

Problem 7:

a. It prints homer,Flanders,apu

b. change the method type to String [] and add return list;

P367 Number10

It is not legal to omit the pennyjar prefixes in the program.