ADDQUESTION
import java.util.Collection;
import java.util.LinkedHashMap;
/**
* Example 129 - Iteration over an Iterable Collection
*/
class IterationOverIterable {
public static void main(String[] args) {
LinkedHashMap<String, String> m3 = new LinkedHashMap<String, String>();
m3.put("map", "J");
m3.put("dup", "K");
m3.put("x", "M");
m3.put("dup", "L");
traverse(m3.keySet());
traverse(m3.values());
}
static void traverse(Collection<String> coll) {
for(String elem: coll)
System.out.print(elem + " ");
System.out.println();
}
}