|
/**
*Output:
D: 99.22
A: 3434.34
C: 1378.0
B: 123.22
E: -19.08
B's new balance: 1123.22
*/
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
public class MainClass {
public static void main(String args[]) {
TreeMap<String, Double> tm = new TreeMap<String, Double>();
tm.put("A", new Double(3434.34));
tm.put("B", new Double(123.22));
tm.put("C", new Double(1378.00));
tm.put("D", new Double(99.22));
tm.put("E", new Double(-19.08));
Set<Map.Entry<String, Double>> set = tm.entrySet();
for (Map.Entry<String, Double> me : set) {
System.out.print(me.getKey() + ": ");
System.out.println(me.getValue());
}
System.out.println();
double balance = tm.get("B");
tm.put("B", balance + 1000);
System.out.println("B's new balance: " + tm.get("B"));
}
}
|
