String [] strings = new String [] {"1", "2" };
List<String> stringList = new ArrayList<String>(Arrays.asList(strings)); //new ArrayList is only needed if you absolutely need an ArrayList
ArrayList<String> al = new ArrayList<String>();
al.add("Hello");
al.add("Wor");
al.add("ld");
StringBuffer sb = new StringBuffer();
for (String s : al) {
sb.append(s);
sb.append(" ");
}
String str = sb.toString();
System.out.println(str);//"Hello wor ld" new ArrayList( Arrays.asList( new String[]{"abc", "def"} ) );String listString = String.join(", ", list); //Java 8 or laterArrayList<String> list = new ArrayList<String>();
list.add("one");
list.add("two");
list.add("three");
String listString = "";
for (String s : list)
{
listString += s + "\t";
}
System.out.println(listString);