쿰뱅이

StringTokenizer // HashMap // HashTable StringTokenizer st = new StringTokenizer("010-123-456-789", "-"); System.out.println("-> " + st.countTokens()); while(st.hasMoreTokens()){ System.out.println("-> " + st.nextToken()); } HashMap hm = new HashMap(); hm.put("a", "1"); hm.put("b", "2"); hm.put("c", "3"); hm.put("d", "4"); Iterator iterator = hm.keySet().iterator(); while(iterator.hasNext()){ St..