Java Programs

/** I/P hashmap<String String>{"ram:hari","cisco:barfi","honeywell:cs","cts:hari"};
 * i/p 2="hari";
 * o/p string[]={"ram","cts"};
 * Store the key values of the hashmap in the output string[] corresponding to the given input2    
 */

package programs;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class HashMap {
public static void main(String args[]) {
Scanner in = new Scanner(System.in);

Map<String, String> map = new HashMap<String, String>();
map.put("ram", "hari");
map.put("cisco", "barfi");
map.put("honeywell", "cs");
map.put("cts", "hari");
map.put("ram", "hari");

System.out.println(map);

System.out.println("Enter the Input String : ");
String input2 = in.next();

int i = 0;
String[] q = new String[100];
for (String a : map.keySet()) {
if (map.get(a).equals(input2)) {
// a - key
// map.get(a) - Value at key i
q[i++] = a;
}
}

for (int j = 0; j < i; j++) {
System.out.println(q[j]);
}
}
}