there are some duplicate values in ArrayList, how U'll get that array

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Question

there are some duplicate values in ArrayList, how U'll get
that array with out duplicate?

Question Submitted By :: Sai

I also faced this Question!!

Rank

Answer Posted By

Re: there are some duplicate values in ArrayList, how U'll get that array with out duplicate?

Answer
# 1

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 ?

11 Yes

2 No

Sai

Re: there are some duplicate values in ArrayList, how U'll get that array with out duplicate?

Answer
# 2

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 ?

2 Yes

0 No

Shilpa

Re: there are some duplicate values in ArrayList, how U'll get that array with out duplicate?

Answer
# 3

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 ?

3 Yes

0 No

Phani Raju

Question	Asked @	Answers
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