Question

In: Computer Science

package klutseProgStacks; /** Programmed by Stephen Brower Inspired by Michael Main Date Written 10/3/2014 - made...

package klutseProgStacks;

/**
Programmed by Stephen Brower
Inspired by Michael Main
Date Written 10/3/2014 - made tester generic
Date Modified 10/12/2014 - changed to use stacks
* 3/6/2019 - added extra pop

Run this program using the following:
RunTestStackWithCar.java
RunTestStackWithInteger.java
RunTestStackWithString.java
* @param
*/
public class TestStackGenericV2 {
public void test(E [] testDataAdd, E additionalItemToAdd)
{
// creates a Stack
Stack myGenericStack = new Stack( );

// holds an item removed
E itemRemoved = null;

int checkItem = 0;

// show initial stack size
displayStackSize("Display Stack Size on startup",myGenericStack, checkItem);

// add some stuff to the stack
System.out.println("\n===========\n< for (E item : testDataAdd)
{
System.out.print("Pushing: " + item);
myGenericStack.push(item);
checkItem++;
System.out.print(" \tpushed...now size is " + myGenericStack.size());
if (checkItem == myGenericStack.size())
System.out.println(" -good");
else
System.out.println(" no, expected " + checkItem + "\t\t<=== issue");
}
System.out.println("Stopped Pushing>>\n===========");

// show stack size after adds
displayStackSize("\nDisplay stack size after adds",myGenericStack, checkItem);

// set index for checking to the end of the testDataAdd array
checkItem = testDataAdd.length;

System.out.print("\npop?");

// remove 1 item
itemRemoved = myGenericStack.pop();
checkItem--;
// display 1 item
System.out.print("...popped: <" + itemRemoved
+ "> exp:{" + testDataAdd[checkItem]
+ "} \tsize: " + myGenericStack.size());
if (itemRemoved.equals(testDataAdd[checkItem]) && checkItem == myGenericStack.size())
System.out.println(" -good");
else
System.out.println(" exp:"+checkItem+"\t\t<=== issue");


// show stack size after 1 pop
displayStackSize("Display stack size after 1 pop",myGenericStack, checkItem);

// pop all
System.out.println("\n===========\n< while (myGenericStack.size() > 0)
{
System.out.print("pop?");

// remove 1 item
itemRemoved = myGenericStack.pop();
checkItem--;
// display 1 item
System.out.print("...popped: <" + itemRemoved
+ "> exp:{" + testDataAdd[checkItem]
+ "} \tsize: " + myGenericStack.size());
if (itemRemoved.equals(testDataAdd[checkItem]) && checkItem == myGenericStack.size())
System.out.println(" -good");
else
System.out.println(" exp:"+checkItem+"\t\t<=== issue");
}
System.out.println("Stopped Popping>>\n===========");

// show stack size after poping all
displayStackSize("Display stack size after pop all",myGenericStack, checkItem);

System.out.print("\nattempt to remove item from empty stack:\npop?");

itemRemoved = myGenericStack.pop();
// display 1 item
System.out.println("...popped: <" + itemRemoved
+ "> expected EmptyStack Exception"
+ " \tsize: " + myGenericStack.size()+"\t\t<==issue");
  
// show stack size after 1 additional pop
displayStackSize("Display stack size after 1 pop",myGenericStack, checkItem);
  
// push 1 item
myGenericStack.push(additionalItemToAdd);
  
// show stack size after 1 additional push
displayStackSize("Display stack size after 1 additional push",myGenericStack, 1);
  
System.out.print("\npop the additional item");

// remove 1 item
itemRemoved = myGenericStack.pop();
// display 1 item
System.out.print("...popped: <" + itemRemoved
+ "> exp:{" + additionalItemToAdd
+ "} \tsize: " + myGenericStack.size());
if (itemRemoved.equals(additionalItemToAdd) && myGenericStack.size() == 0)
System.out.println(" -good");
else
System.out.println(" exp:"+checkItem+"\t\t<=== issue");
  
// show stack size after 1 additional pop
displayStackSize("Display stack size after 1 pop",myGenericStack, checkItem);
}

/**
the displayBag method displays the linked bag
@param heading a String to display before the bag
@param aBag the LinkedBag to display
*/
private void displayStackSize(String heading, Stack aStack, int expected)
{
System.out.println("\n" + heading);
System.out.print("Size: " + aStack.size());
if (expected == aStack.size())
System.out.println(" -good");
else
System.out.println(" exp: " + expected+"\t\t<=== issue");


}
}

its giving an error on line 34

Solutions

Expert Solution

//It will run fain if you add  package klutseProgStacks and filename according to function

package klutseProgStacks;

/**
Programmed by Stephen Brower
Inspired by Michael Main
Date Written 10/3/2014 - made tester generic
Date Modified 10/12/2014 - changed to use stacks
* 3/6/2019 - added extra pop

Run this program using the following:
RunTestStackWithCar.java
RunTestStackWithInteger.java
RunTestStackWithString.java
* @param
*/
public class TestStackGenericV2 {
public void test(E [] testDataAdd, E additionalItemToAdd)
{
// creates a Stack
Stack myGenericStack = new Stack( );

// holds an item removed
E itemRemoved = null;

int checkItem = 0;

// show initial stack size
displayStackSize("Display Stack Size on startup",myGenericStack, checkItem);

// add some stuff to the stack
System.out.println("\n===========\n");
for (E item : testDataAdd)
{
System.out.print("Pushing: " + item);
myGenericStack.push(item);
checkItem++;
System.out.print(" \tpushed...now size is " + myGenericStack.size());
if (checkItem == myGenericStack.size())
System.out.println(" -good");
else
System.out.println(" no, expected " + checkItem + "\t\t<=== issue");
}
System.out.println("Stopped Pushing>>\n===========");

// show stack size after adds
displayStackSize("\nDisplay stack size after adds",myGenericStack, checkItem);

// set index for checking to the end of the testDataAdd array
checkItem = testDataAdd.length;

System.out.print("\npop?");

// remove 1 item
itemRemoved = myGenericStack.pop();
checkItem--;
// display 1 item
System.out.print("...popped: <" + itemRemoved
+ "> exp:{" + testDataAdd[checkItem]
+ "} \tsize: " + myGenericStack.size());
if (itemRemoved.equals(testDataAdd[checkItem]) && checkItem == myGenericStack.size())
System.out.println(" -good");
else
System.out.println(" exp:"+checkItem+"\t\t<=== issue");


// show stack size after 1 pop
displayStackSize("Display stack size after 1 pop",myGenericStack, checkItem);

// pop all
System.out.println("\n===========\n");
while (myGenericStack.size() > 0)
{
System.out.print("pop?");

// remove 1 item
itemRemoved = myGenericStack.pop();
checkItem--;
// display 1 item
System.out.print("...popped: <" + itemRemoved
+ "> exp:{" + testDataAdd[checkItem]
+ "} \tsize: " + myGenericStack.size());
if (itemRemoved.equals(testDataAdd[checkItem]) && checkItem == myGenericStack.size())
System.out.println(" -good");
else
System.out.println(" exp:"+checkItem+"\t\t<=== issue");
}
System.out.println("Stopped Popping>>\n===========");

// show stack size after poping all
displayStackSize("Display stack size after pop all",myGenericStack, checkItem);

System.out.print("\nattempt to remove item from empty stack:\npop?");

itemRemoved = myGenericStack.pop();
// display 1 item
System.out.println("...popped: <" + itemRemoved
+ "> expected EmptyStack Exception"
+ " \tsize: " + myGenericStack.size()+"\t\t<==issue");
  
// show stack size after 1 additional pop
displayStackSize("Display stack size after 1 pop",myGenericStack, checkItem);
  
// push 1 item
myGenericStack.push(additionalItemToAdd);
  
// show stack size after 1 additional push
displayStackSize("Display stack size after 1 additional push",myGenericStack, 1);
  
System.out.print("\npop the additional item");

// remove 1 item
itemRemoved = myGenericStack.pop();
// display 1 item
System.out.print("...popped: <" + itemRemoved
+ "> exp:{" + additionalItemToAdd
+ "} \tsize: " + myGenericStack.size());
if (itemRemoved.equals(additionalItemToAdd) && myGenericStack.size() == 0)
System.out.println(" -good");
else
System.out.println(" exp:"+checkItem+"\t\t<=== issue");
  
// show stack size after 1 additional pop
displayStackSize("Display stack size after 1 pop",myGenericStack, checkItem);
}

/**
the displayBag method displays the linked bag
@param heading a String to display before the bag
@param aBag the LinkedBag to display
*/
private void displayStackSize(String heading, Stack aStack, int expected)
{
System.out.println("\n" + heading);
System.out.print("Size: " + aStack.size());
if (expected == aStack.size())
System.out.println(" -good");
else
System.out.println(" exp: " + expected+"\t\t<=== issue");


}
}

venereology answered 2 years ago
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