package object_in; import java.util.HashMap; import java.lang.String; public class TestStatementsBeforeAndAfterPut_AfterUsesCreateValue { HashMap hm = new HashMap(); public void doBeforeAndAfterPut() { if (hm.containsKey("a_key")) { String value = new String(" this is a value "); value = ""; hm.put("a_key", value); System.out.println(value); } } }