string list to string java code example
Example 1: java list of strings to string
String string = list.stream().map(Object::toString).collect(Collectors.joining(""));
Example 2: java arraylist to string
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"
Example 3: list of string to string array in java
list.toArray(new String[0]);