public void remove(JarEntry entry){
  jarEntries.remove(entry.getName());
  jarEntriesToAdd.remove(entry.getName());
}

public void remove ( JarEntry entry ) { jarEntries . remove ( entry . getName ( ) ) ; jarEntriesToAdd . remove ( entry . getName ( ) ) ; }
removes the specified entry if one exits ( example : a / b / c / test . txt )
