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arraylist items into string

Valkor 
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"
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4.33
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Maple_shaft 75 points 

                                    String[] arr = list.toArray(new String[list.size()]);

4.33 (3 Votes)
0
4.5
2
Meike 85 points 

                                    String listString = String.join(&quot;, &quot;, list); //Java 8 or later

4.5 (2 Votes)
0
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