“Java String StringBuilder Array List ToString” Respostas de código

Java String StringBuilder Array List ToString

ArrayList<String> data = new ArrayList<String>();
data.add("First");
data.add("Second");
data.add("Third");

StringBuilder sb = new StringBuilder();
for (String item : data) {
  sb.append(item).append("\n");
}
sb.setLength(sb.length() - 1);

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