How do you remove odd numbers from a stack?

How do you remove odd numbers from a stack?

Delete all even elements from a stack

1. Input : s = 16 <- 15 <- 29 <- 24 <- 19 (TOP)
2. Output: 19 29 15. 19 29 15 is the order of odd elements in which. they will be popped from the given stack.
3. Input : s = 1 <- 2 <- 3 <- 4 <- 5 (TOP)
4. Output: 5 3 1.

How do I remove an element from a stack?

remove(int index) method is used to remove an element from a Stack from a specific position or index. Parameters: This method accepts a mandatory parameter index is of integer data type and specifies the position of the element to be removed from the Stack.

What operation is used in order to remove all entries from a stack?

removeAll(Collection col) method is used to remove all the elements from the Stack, present in the collection specified.

How do you remove an even element from an ArrayList in Java?

There are two ways to remove objects from ArrayList in Java, first, by using the remove() method, and second by using Iterator. ArrayList provides overloaded remove() method, one accepts the index of the object to be removed i.e. remove(int index), and the other accept objects to be removed, i.e. remove(Object obj).

How do you remove odd numbers in Java?

Approach:

1. Create a map and store the frequency of each element from the array to the same map.
2. Then, traverse the array and find out which elements have odd frequencies with the help of the map.
3. Ignore all those elements which have odd frequencies and print rest of them.

How do you remove odd numbers from an array?

erase() any element in your array. A choice of a vector will allow you to remove odd values in a trivial manner.

How do I remove an item from a stack in Java?

Stack. pop() method. This method requires no parameters and it removes the element at the top of the stack. It returns the element that was removed.

How do you remove an element from an array in Java?

To remove an element from an array, we first convert the array to an ArrayList and then use the ‘remove’ method of ArrayList to remove the element at a particular index. Once removed, we convert the ArrayList back to the array.

In which order we can remove the elements in stack Mcq?

Stack MCQ Question 2 Detailed Solution A stack is an ordered list in which insertion and deletion are done at one end, called a top. The last element inserted is the first one to be deleted. Hence, it is called the Last in First out (LIFO) or First in Last out (FILO) list.

In which data structure the items are removed in the same order in which they are added?

A stack (sometimes called a “push-down stack”) is an ordered collection of items where the addition of new items and the removal of existing items always takes place at the same end.

How do I remove all elements from a list in Java?

Remove all elements from the ArrayList in Java

1. Using clear() method: Syntax: collection_name.clear();
2. Using removeAll() method. Syntax: collection_name.removeAll(collection_name);

How do you remove multiple elements from an ArrayList in Java?

2. Examples

1. Remove multiple objects using List. removeAll method. If both are collection objects and we want to remove all element from another collection then removeAll can be used.
2. Remove multiple objects using List. removeIf (Java 8)
3. Remove multiple objects using Iterator (Java 7) Remove elements using Iterator.