As part of a bank account implementation, there is an account class and a checki
ID: 3559279 • Letter: A
Question
As part of a bank account implementation, there is an account class and a checking account class.. These two classes should be related by: abstract classes composition inheritance both composition and inheritance polymorphism When using OOP, which of the following terms refers to a mechanism for a behavior, basically how it's implemented? polymorphism dynamic binding composition inheritance To access an element in an Array object, Use square brackets around an index value. Use the ArrayList's element ( ) method. Use the ArrayList's get () method. Individual elements in an ArrayList can't be accessed without doing a sequential query getSequential ( ), returning every element up to and including the element requested. To access an element in an ArrayList object, Use square brackets around an index value. Use the ArrayList's element ( ) method. Use the ArrayList's get () method. Individual elements in an ArrayList can't be accessed without doing a sequential query getSequential ( ), returning every element up to and including the element requested. What term below is defined as a message that tells the program that something has happened? a listener an action an interaction an eventExplanation / Answer
1. d)
2. c)
3. a)
4. d)
5. d)
6. c)
7. b)
8. cant see
9. a)
10. Cant see
11. Cant see
12 True
13 True
14. False
15. True
16. True
17. True
18 System.out.println("The 6th element is " + pricelist[5]);
19. double[] stocks = new double[]{0,1,3};
20JOptionPane.showMessageDialog(frame, "Message Sent");
21. String input= (String)JOptionPane.showInputDialog(frame,JOptionPane.QUESTION_MESSAGE,"Input");
22. float[] myNumbers = {1.23, 3.14, 5.18, 82.0, 2.56};
String[] myNames={"Tom","Bob","John","Steve"};
23. 1
24. 0
25. Division by zero
26. Number Format Exception
28.
public class Coin {
static int randomNum1;
static int randomNum2;
void flip(){
randomNum1 = 0 +(int)(Math.random()*1000);
randomNum2 = 0+(int)(Math.random()*1000);
}
static void results(){
System.out.println("Heads: " + randomNum1);
System.out.println("Tails: "+ randomNum2);
}
public static void main(String[] args){
Coin toss = new Coin();
for (int x=0;x<1000;x++)
toss.flip();
Coin.results();
}
}
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