It helps by providing a prototype for the stack data structure. Java Stack Methods are very useful for constructing the stack class, which gives an aid to the entire Java collection Framework by making it as flexible and versatile as it can make use of the subclass such as vector class which in turn makes use of all the operations like pop, push, peek, empty and search. It extends and supports the subclass, which is the vector class as part of the Stack methods needed to be invoked. Note: All the Operations, when performed together with all the methods in sync together, forms the Stack class and, in turn, provides aid to the Java Collection Framework, making it more flexible and versatile to use it for future programmers.
If the initial stack consists of the element, it will return the value as if, if not able to search the element, it will return the value with a negative value. If the element is searched and matches the element exactly with the element present at the top of the stack, it returns the value otherwise, it will return the value as -1.Įxample: This program is used for demonstrating the int search(Object element), which is used for searching the element from the stack where it is initialized and defined for the initial stack. This method is part of the stack method’s common operation for searching the elements and checking whether an object is present within the stack. ("Stack_After_Performing_Peek: " + Stk1) ("Stack_Before_Performing_Peek: " + Stk1) This method is part of the operation used for constructing the stack class and is used to return an element that is present at the top of the stack but is not used to remove the element at the top of the stack.Įxample: This program is used for demonstrating the Object peek() method, which initially defines a stack with pushing the elements and then it performs a peek operation on the initial stack, which represents and points out the top of the stack and helps in retrieving the element from the top of the stack to display for modification.
("Elements_Empty_In_Stack " + Stck.empty()) This method is part of the stack that will be used for returning a value as true if the stack is returning a value that is not present and returns false if the value is present on top of the stack.Įxample: This program is used to demonstrate the boolean Empty() method of the Java Stack Method where a stack is defined initially, and then the stack is performed with the popping activity to make and represent the stack as empty, and it signifies whether the stack is satisfying the condition for empty or not using by throwing the true or false value based on the condition. ("Stack_Before_Performing_Pop: " + Stck) If the stack is empty and it does not contain any element on the stack, it will throw an exception whenever the stack invoked is empty.Įxample: This program demonstrates the Object pop() method, which first represents a stack pushed with elements and then a stack which represents the stack after Popping out elements on the stack which is defined and is present in the previous stack after performing popping the final stack comes out to be elements after removing the popped out elements from the previous stack. This method is part of the operation used to make the stack class used for removing and retrieving the top element of the stack.
This method is used for pushing an element on top of the stack.Įxample: This program demonstrates the Object push method, which first represents a stack pushed with elements and then a stack that represents the stack after pushing two more elements on the stack, which gets added on the previous stack on top with other elements in Last In first-out fashion.
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