feat: Improve messages on NetworkVmExampleAbstract

Signed-off-by: Manoel Campos <manoelcampos@gmail.com>

Author: manoelcampos

src/main/java/org/cloudbus/cloudsim/examples/network/applications/NetworkVmExampleAbstract.java

@@ -136,12 +136,13 @@ private void showSimulationResults() {
  broker.getName(), broker.getId(), newCloudletList.size());
  }
 
+ System.out.println();
  for(NetworkHost host: datacenter.getHostList()){
- System.out.printf("%nHost %d data transferred: %d bytes",
+ System.out.printf("Host %d data transferred: %d bytes%n",
  host.getId(), host.getTotalDataTransferBytes());
  }
 
- System.out.println(getClass().getSimpleName() + " finished!");
+ System.out.printf("%n%s finished!%n", getClass().getSimpleName());
  }
 
  /**