A popular implementation of List is ArrayList- Look up how to instanti.pdf
- 1. A popular implementation of List is ArrayList. Look up how to instantiate one. * * @return a List<Integer> object. */ public List<Integer> createList(){ } return null; } /** * Get the size of a list. * * @param list a List<Integer> object. * @return the size of List (number of items it holds.) */ return 0; } /** * Add an item to a list. * When we add a value to a list, it gets appended to the end. * * @param list a List<Integer> object that we would like to modify. * @param value an integer that we would like to add to list. * @return nothing, pass by reference will cause changes to the list object to be reflected across the program.
- 2. */ public void addToList(List<Integer> list, int value){ } /** * Get a particular index of a list. * Lists, like arrays, are zero-indexed, so they start counting at zero. For instance, * index 0 of {0,2,4,6} is 0. * index 1 of {0,2,4,6} is 2. * Index is the same as saying the position, number, etc of a value. * Let's get the element from a list at a certain index. * * @param list a List<Integer> object that we would like to examine. * @param index represents the index of the element we would like to retrieve. * @return the int at the location in 'list' represented by 'index'. */ public int get(List<Integer> list, int index){ return 0; } /** * Remove an index from a list. * We can remove an item from the list, which will cause all items after it to reduce their index by 1 (they are * all still ordered, without any empty spaces in the list.) *
- 3. * @param list a List<Integer> object that we would like to modify. * @param position represents the index of the element we would like to remove. * @return nothing, pass by reference will cause changes to the list object to be reflected across the program. */ public void removeFromList(List<Integer> list, int position){ } /** * Update an index of a list. * We can update a value in the list, which will overwrite a value at a certain position. * * @param list a List<Integer> object that we would like to modify. * @param position represents the index of the element we would like to change. * @param value the new value which we would like to assign to the item at position in list * @return nothing, pass by reference will cause changes to the list object to be reflected across the program. */ public void updateAtPosition(List<Integer> list, int position, int value){ }