Program in JAVA

Question

POP operation

.

POP(STACK,TOP, ITEM)

This procedure deletes the top element of STACK and assigns it to the variable ITEM.

1. [Stack han an item to be removed?]

if TOP =0, then: print: UNDERFLOW, and Return.

2. set  ITEM := STACK[TOP]. [Assigns TOP element to ITEM.]

3. set TOP := TOP -1.[Decreases TOP by 1.]

4 Return.