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    ArrayList ar = new ArrayList();
    for(String item : ar) {
      ...
    }

    ArrayList ar = new ArrayList();
    for(Iterator i = ar.iterator(); ar.hasNtext(); ) {
      String item = (String) i.next();
    }

    my @ar ;
    foreach my $item (@ar) {
      ...
    }

  public enum int {MENU_FILE, MENU_EDIT, MENU_FORMAT, MENU_VIEW} ;

  public int MENU_FILE   = 0;
  public int MENU_EDIT   = 1;
  public int MENU_FORMAT = 2;
  public int MENU_VIEW   = 3;

  my ($MENU_FILE, $MENU_EDIT, $MENU_FORMAT, $MENU_VIEW) = (0..4) ;

------------------------------------------
package com.name;
...
  double value = 2 * Constant1;
  ...
}

  use XYZ qw(Constant1) ;
  use XYZ qw(:SOMEGROUP) ;