Change nonblocking iSend/iRecv to sendRecv operation

Signed-off-by: vdhyasani17 <[email protected]>

Author: vdhyasani17

examples/Connectivity.java

@@ -50,7 +50,7 @@ public static void main(String args[]) throws MPIException {
                      * To avoid deadlocks, use non-blocking communication iSend and iRecv
                      * This will allow the program to progress, in the event that
                      * two ranks both send to each other at the same time and could
-                     * potentially cause deadlock. The ranks can send their requests
+                     * potentially cause a deadlock. The ranks can send their requests
                      * without halting the program and immediately
                      */
                     Request sendReq = MPI.COMM_WORLD.iSend(rank, 1, MPI.INT, j, myRank);