import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
public class TreeMapIterate {
public static void main(String[] args) {
Map<Integer, String> tm = new TreeMap<Integer,String>();
// add key and values
tm.put(1,"java");
tm.put(2,"cpp");
tm.put(3,"php");
tm.put(4,"c");
tm.put(5, "mysql");
//Returns a Set view of the keys contained in this map
Set<Integer> keys = tm.keySet();
for (Integer key : keys) {
System.out.println(" key ="+key+" value ="+tm.get(key));
}
}
}
Output:
key =1 value =java
key =2 value =cpp
key =3 value =php
key =4 value =c
key =5 value =mysql
import java.util.Set;
import java.util.TreeMap;
public class TreeMapIterate {
public static void main(String[] args) {
Map<Integer, String> tm = new TreeMap<Integer,String>();
// add key and values
tm.put(1,"java");
tm.put(2,"cpp");
tm.put(3,"php");
tm.put(4,"c");
tm.put(5, "mysql");
//Returns a Set view of the keys contained in this map
Set<Integer> keys = tm.keySet();
for (Integer key : keys) {
System.out.println(" key ="+key+" value ="+tm.get(key));
}
}
}
Output:
key =1 value =java
key =2 value =cpp
key =3 value =php
key =4 value =c
key =5 value =mysql
No comments:
Post a Comment