/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
ArrayList<String> list = new ArrayList<String>();
list.add("one");
list.add("two");
list.add("three");
for (int i=0;i<list.size()-1;i++)
listString += list.get(i) + ",";
System.
out.
println(listString
+list.
get(list.
size()-1)); }
}
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