com.twosigma.beakerx.kernel.Kernel.showNullExecutionResult

com.twosigma.beakerx.kernel.Kernel.showNullExecutionResult = true;
String seeNullString = null;
seeNullString

com.twosigma.beakerx.kernel.Kernel.showNullExecutionResult = false;
String noNullString = null;
noNullString