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MapTest.java
import java.util.*;
public class MapTest {
public static void main(String args[]) {
TreeMap tm = new TreeMap();
tm.put("È«±æµ¿", new Integer(8949));
tm.put("±è»ñ°«", new Integer(2848));
tm.put("À̸ù·æ", new Integer(9088));
System.out.println("¸Ê Å©±â :" + tm.size());
String str = "È«±æµ¿";
if (tm.containsKey(str)) {
System.out.println(str + " È£Ãâ¹øÈ£ : " + tm.get(str));
}
}
}
D:\java\util\>javac MapTest.java
D:\java\util\>java MapTest
¸Ê Å©±â :3
È«±æµ¿ È£Ãâ¹øÈ£ : 8949
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