@FunctionalInterface
interface Message
{
    String displayMessage(String strValue);
}

/**
 * Java Lambda Expression Example: Multiple Statements
 *
 */
public class LambdaDemo
{

    public static void main(String[] args)
    {
        /*
         * We can pass multiple statements in lambda expression.
         */
        Message msg = (strValue) -> {
            String str1 = "Welcome to ";
            String str2 = str1 + strValue;
            return str2;
        };
        System.out.println(msg.displayMessage("India."));
    }

}

Welcome to India.