We cannot perform .add or .addAll operation on collections we have obtained from Arrays.asList .. only remove operation is permitted. So What if I come across a scenario where I require to add new Element in List without deleting previous elements in List?. How can I achieve this? See Question&Answers more detail:os与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视 We cannot perform .add or .addAll operation on collections we have obtained from Arrays.asList .. only remove operation is permitted. So What if I come across a scenario where I require to add new Element in List without deleting previous elements in List?. How can I achieve this? |
