Java join list

String[] data = { "First", "Second", "Third" };
StringBuilder sb = new StringBuilder();
for (String item : data) {
  sb.append(item).append(", ");
}
sb.setLength(sb.length() - 2);

// generates output:
// First, Second, Third

Source: developer.android.com

Java string join arraylist

// You can't just do String.join(", ", list) because
// the list has to be a String[]. This code works on
// everything.

list.stream().map(Object::toString).collect(Collectors.joining(", "));

Java join list of strings

String result = String.join(",", list);

Java join list as string

List<String> list = Arrays.asList("a","b","c");
String result = String.join(",", list);

System.out.println(result);		//prints a,b,c

Source: mkyong.com

Join elements in a list with , java

Joiner joiner = Joiner.on("+");
String join = joiner.join(joinList);

Source: stackoverflow.com

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