public class String03
{
   public static void main(String[] args)
   {
      String a, b, c;

      a = "abc"; 
      b = "12"; 

      c = a + b;                // String concatenation

      System.out.println("a = " + a);    // String concatenation !!
      System.out.println("b = " + b);    // String concatenation !!
      System.out.println("c = " + c);    // String concatenation !!
   }
}