java replace array list element with null code example
Example: arraylist replace value java
list.set(1,"new value");
//example ..
List<String> list = new ArrayList<>();
list.add("one");
list.add("two");
list.add("three");
System.out.println(list); // [one,two,three]
list.set(1,"new");
System.out.println(list); //[one,new,three]