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there are some duplicate values in ArrayList, how U'll get
that array with out duplicate?
- 4 Answers
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Answer / sai
ArrayList list = new ArrayList();
list.add("a");
list.add("b");
list.add("a");
list.add("c");
list.add("b");
HashSet set = new HashSet(list);
list.clear();
list.addAll(set);
System.out.println("ArrayList : ");
for (Object data : list) {
System.out.println(data);
| Is This Answer Correct ? | 13 Yes | 2 No |
Answer / phani raju
ArrayList list = new ArrayList();
list.add("a");
list.add("b");
list.add("a");
list.add("c");
list.add("b");
LinkedHashSet lset = new LinkedHashSet
(list);
list.clear();
list.addAll(lset);
System.out.println("ArrayList : ");
for (Object data : list) {
System.out.println(data);
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / shilpa
List<Integer> arlList=new ArrayList<Integer>();
arlList.add(20);
arlList.add(2);
arlList.add(1);
arlList.add(6);
arlList.add(6);
Set<Integer> tr=new TreeSet<Integer>(arlList);
Iterator<Integer> iterator=tr.iterator();
while(iterator.hasNext()){
System.out.println(iterator.next());
}
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / banti
public void removeDuplicateDataFromArrayList(){
ArrayList<String> al = new ArrayList<>();
al.add("a");
al.add("b");
al.add("c");
al.add("c");
al.add("a");
HashSet<String> hs = new HashSet<>();
hs.addAll(al);
al.clear();
al.addAll(hs);
System.out.println("The ArrayList values are :"+ al);
// Or
System.out.println("ArrayList : ");
for (Object data : al) {
System.out.println(data);
}
| Is This Answer Correct ? | 0 Yes | 0 No |
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