Question:
Explain between two programming languages
Two programs(Java and C++). They looks similar. But I need to explain why C++ is longer than java and what else to explain such as memory, time, build-in-function and so on...
// p1stack.cpp
#include
#include
using namespace std;
// stack exemptions
class EmptyStackException
{
};
// stack node
struct StackNode
{
string item;
StackNode* next;
StackNode(string s)
{
item = s;
next=0;
}
};
// stack class
class Stack
{
private:
StackNode* items; // stack items
int numItems; // number of items in stack
public:
//. initialize
Stack()
{
items=0;
numItems = 0;
}
// return number of items in stack
int size()
{
return numItems;
}
// push item onto stack
void push(string item)
{
StackNode* node = new StackNode(item);
if(items==0)
items = node;
else
{
numItems++;
node->next = items;
items = node;
}
}
// remove item from top of stack
string pop()
{
if(items == 0)
throw EmptyStackException();
else
{
string item = items->item;
items = items->next;
numItems--;
return item;
}
}
// return item from top of stack
string peek()
{
if(items == 0)
throw EmptyStackException();
else
{
string item = items->item;
return item;
}
}
// search for item in stack
bool search(string item)
{
StackNode* node = items;
while(node != 0)
{
if(node->item == item)
return true;
node = node->next;
}
return false;
}
// print out stack
friend ostream& operator <<(ostream& out, Stack& stk)
{
StackNode* node = stk.items;
while(node != 0)
{
out << node->item << " " << endl;
node = node->next;
}
return out;
}
};
// declare functions used by main
void print(Stack& stack);
int main()
{
Stack stack; // make stack
// push items onto stack
stack.push("Brazil");
stack.push("Canada");
stack.push("France");
stack.push("Mexico");
stack.push("Russia");
stack.push("Sweden");
stack.push("Brazil");
stack.push("Turkey");
print(stack);
cout << "stack.search(\"Brazil\") = "
<< stack.search("Brazil") << endl;
cout << "stack.pop() = " << stack.pop() << endl;
out << "stack.pop() = " << stack.pop() << endl;
print(stack);
cout << "stack.search(\"Brazil\") = " << stack.search("Brazil") << endl;
return 0;
}
// print size and items in stack
void print(Stack& stack)
{
cout << stack << endl;
cout << "stack.size() = " << stack.size() << endl;
try
{
cout << "stack.peek() = " << stack.peek() << endl;
}
catch(EmptyStackException)
{
cout << ": The stack is empty." << endl;
}
import java.util.Stack;
public class P1_Stack
{ public static void main(String[] args)
{ Stack stack = new Stack();
stack.push("Brazil");
stack.push("Canada");
stack.push("France");
stack.push("Mexico");
stack.push("Russia");
stack.push("Sweden");
stack.push("Brazil");
stack.push("Turkey");
print(stack);
System.out.println("stack.search(\"Brazil\") = "
+ stack.search("Brazil"));
System.out.println("stack.pop() = " + stack.pop());
System.out.println("stack.pop() = " + stack.pop());
print(stack);
System.out.println("stack.search(\"Brazil\") = "
+ stack.search("Brazil"));
}
private static void print(Stack stack)
{ System.out.println(stack);
System.out.println("stack.size() = " + stack.size());
try
{ System.out.println("stack.peek() = " + stack.peek());
}
catch(java.util.EmptyStackException e)
{ System.out.println(e + ": The stack is empty.");
}
}
}
}