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Changing the StringBufer Length for a StringBuffer Object

public class MainClass {   public static void main(String[] arg) {     StringBuffer newString = new StringBuffer("abcde1234567890");          System.out.println(newString.capacity());     System.out.println(newString.length());     System.out.println(newString);          newString.setLength(8);     System.out.println(newString.capacity());     System.out.println(newString.length());     System.out.println(newString);        } } 31 15 abcde1234567890 31 8 abcde123