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Java program to SORT MAP based on KEYS

Requirment- To sort MAP based on key using Java

following is the source code-

package techartifact;
 
import java.util.*;
 
class SortMaps
{
 
public static void main(String args[])
{
Map m=new LinkedHashMap();
 
m.put(1,10);
m.put(3,11);
m.put(5,15);
m.put(2,13);
m.put(4,14);
 
Collection c=m.keySet();
System.out.println(c);
 
 
Object a[];
a = c.toArray();
 
Arrays.sort(a);
 
for(int i=0;i<a.length;i++)
{
System.out.println((Object)a[i]);
}
 
 
 
}
}