spell-checker/Stack.java at main · FareedCodess/spell-checker · GitHub

31 lines (31 loc) · 784 Bytes

package project_AVL;

public class Stack<T> {

private java.util.ArrayList<T> pool = new java.util.ArrayList<T>();

public Stack() {

}

public Stack(int n) {

pool.ensureCapacity(n);

}

public void clear() {

pool.clear();

}

public boolean isEmpty() {

return pool.isEmpty();

}

public T topEl() {

if (isEmpty())

throw new java.util.EmptyStackException();

return pool.get(pool.size()-1);

}

public T pop() {

if (isEmpty())

throw new java.util.EmptyStackException();

return pool.remove(pool.size()-1);

}

public void push(T el) {

pool.add(el);

}

public String toString() {

return pool.toString();

}

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