What is stack.push() in Scala?
The stack.push() function in Scala is used to insert an element at the top of the stack.
The following illustration shows a visual representation of the stack.push() function.
The
scala.collection.mutable.Stackmodule is required in order to usestack.push().
Syntax
stack_name.push(element)
//where stack_name is name of the stack
Parameters
This function requires an element as a parameter.
Return value
The stack.push() function inserts an element sent as a parameter at the top of the stack.
Code
The following code shows how to use the stack.push() function.
import scala.collection.mutable.Stackobject Main extends App {var stack = Stack[Int]()stack.push(2);stack.push(5);stack.push(3);stack.push(1);//Stack before adding 0println("Following are the elements in Stack before 0: " + stack);stack.push(0);//Stack after adding 0println("Following are the elements in Stack after 0: " + stack);}
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