Algorithm and Data Structure

Stack is considered to be a data structure which used last in first out policy. New elements could be added or removed to/from the top of Stack. Queue uses First in First out mechanism as compared to Stack.

Java Code: Stack usage is explained by this code

Stack myStack = new Stack();
myStack.push("1");
myStack.push("2");
myStack.push("3");
//look at top object ("3"), without taking it off the stack.    
Object topObj = stack.peek();
Object

...

Tags: stack class

Categories

Stack