java append to arraylist at beginning
ArrayList<Integer> arr = new ArrayList<Integer>();
arr.add(1);
arr.add(2);
arr.add(3);
arr.add(4);
int element = 0;
//ArrayList.add(index, element)
arr.add(0, element);java append to arraylist at beginning
ArrayList<Integer> arr = new ArrayList<Integer>();
arr.add(1);
arr.add(2);
arr.add(3);
arr.add(4);
int element = 0;
//ArrayList.add(index, element)
arr.add(0, element);java arraylist add to top
//create an ArrayList
ArrayList<String> myList
= new ArrayList<String>();
//some items to ArrayList
myList.add("One");
myList.add("Two");
myList.add("Three");
/*
* To insert element at beginning of ArrayList
* use add method of ArrayList class with index 0
*/
myList.add(0, "Zero");Copyright © 2021 Codeinu
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