/**
A test of the constructors and the methods add and toArray,
as defined in the first draft of the class ArrayBag.
@author Frank M. Carrano
@version 4.0
*/
public class ArrayBagDemo1
{
public static void main(String[] args)
{
// Adding to an initially empty bag with sufficient capacity
System.out.println("Testing an initially empty bag with " +
" the capacity to hold at least 6 strings:");
BagInterface<String> aBag = new ArrayBag1<>();
String[] contentsOfBag1 = {"A", "A", "B", "A", "C", "A"};
testAdd(aBag, contentsOfBag1);
// Filling an initially empty bag to capacity
System.out.println("\nTesting an initially empty bag that " +
" will be filled to capacity:");
aBag = new ArrayBag1<>(7);
String[] contentsOfBag2 = {"A", "B", "A", "C", "B", "C", "D",
"another string"};
testAdd(aBag, contentsOfBag2);
} // end main
// Tests the method add.
private static void testAdd(BagInterface<String> aBag,
String[] content)
{
System.out.print("Adding the following " + content.length +
" strings to the bag: ");
for (int index = 0; index < content.length; index++)
{
if (aBag.add(content[index]))
System.out.print(content[index] + " ");
else
System.out.print("\nUnable to add " + content[index] +
" to the bag.");
} // end for
System.out.println();
displayBag(aBag);
} // end testAdd
// Tests the method toArray while displaying the bag.
private static void displayBag(BagInterface<String> aBag)
{
System.out.println("The bag contains the following string(s):");
Object[] bagArray = aBag.toArray();
for (int index = 0; index < bagArray.length; index++)
{
System.out.print(bagArray[index] + " ");
} // end for
System.out.println();
} // end displayBag
} // end ArrayBagDemo1
/*
Testing an initially empty bag with sufficient capacity:
Adding the following 6 strings to the bag: A A B A C A
The bag contains the following string(s):
A A B A C A
Testing an initially empty bag that will be filled to capacity:
Adding the following 8 strings to the bag: A B A C B C D
Unable to add another string to the bag.
The bag contains the following string(s):
A B A C B C D
*/
标签:index,capacity,aBag,arraybag1arrayBagDemo1,System,bag,out From: https://blog.51cto.com/u_15892225/11993639