생활코딩 DataStructure -3
1. ArrayList 기능구현 1.1 remove(index) - remove(int index) : 삭제하고자하는 index에있는 요소를 삭제하고 해당 index의 element를 리턴함 public Object remove(int index) { Object removed = elementData[index]; for (int i = index; i < size-1; i++) { elementData[i] = elementData[i+1]; } elementData[size-1] = null; size--; return removed; } 1.2 removeFirst(), removeLast() public Object removeFirst() { return remove(0); //return이 ..
Study/DataStructure
2020. 2. 14. 22:59
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