Hi,
why don't you just iterate over your list and write it into a HashMap - something like:
HashMap mp = new HashMap();
for(int i=0; i<list.size(); i++)
{
String item = (String)list.get(i);
if(mp.containsKey(item))
{
Integer count = (Integer)map.get(item);
count ++; // maybe cast to int
}
else
{
map.put(item, new Integer(1));
}
}This isn't very sophisticated, but it should work.
Regards, Tom
senthil Kumar wrote:
Hi all.,
Could you please help me.
I have one ArrayList called dataList. it contains { 20,10,20,20,10,15,15,15,15} as a String.
Now i need the result of each element appears in how many times like
20==>3 10==>2 15==>4
as a arrayList or Hash Map.
Please help me.
Thanks in advance.
regs Senthil
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