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public class Demo
{
 public static int COUNT = 8;
 
 private String msg;
 private int[] counts;
 
 public Demo ()
 {
  this ("default constructor");
 }
 public Demo (String msg)
 {
  this.msg = msg;
  this.counts = null;
 }
 public String getMessage ()
 {
  return msg;
 }
 
 public static String getHelloWorld ()
 {
  return "hello world!";
 }
 public String append (String str, int i)
 {
  return str + i;
 }
 public int[] getCounts ()
 {
  return counts;
 }
 public void setCounts (int[] counts)
 {
  this.counts = counts;
 }
 public void throwExcp () throws IllegalAccessException
 {
  throw new IllegalAccessException ("exception occurs");
 }
}
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