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8 changes: 7 additions & 1 deletion p8/Stack.java
Original file line number Diff line number Diff line change
@@ -1,11 +1,17 @@
package problem8;

public class Stack {

int top = 0;
List li = new List();
//collection
public void push(Object item,int index ) {
public void push(Object item ) {
li.add(item);
top++;
//logic to add item into collection
}
public void pop(int index ) {
li.remove(--top);
//logic to remove item from collection
}
}