package javaExE;
import java.util.Map;
import java.util.HashMap;
public class MapExample {
public static void main(String[] args) {
/* 1. ì´ë¦„ì„ í‚¤ë¡œ, ì´ë©”ì¼ì„ 값으로 ë‹´ì„ í•´ì‹œë§µì„ ë§Œë“œì„¸ìš”. */
HashMap emails = new HashMap();
/* 2. ë°ì´í„°ë¥¼ ì €ìž¥í•˜ì„¸ìš” */
emails.put("나리", "[email protected]");
emails.put("ì •ì• ", "[email protected]");
emails.put("í™íŒ", "[email protected]");
/* 3. í•´ì‹œë§µì˜ í¬ê¸°ë¥¼ ì¶œë ¥í•˜ì„¸ìš”. */
System.out.printf("emails.size() -> %d\n", emails.size());
// key ëª©ë¡ ì¶œë ¥
System.out.println("\n== key set ==");
for (String key : emails.keySet()) {
System.out.println(key);
}
// value ëª©ë¡ ì¶œë ¥
System.out.println("\n== values ==");
for (String val : emails.values()) {
System.out.println(val);
}
}
}