System.out.println("Return value: " + tcstub.setACAndGetA("string", 123));
System.out.println("Return value: " + tcstub.sumArray(new String[] { "123", "456", "987" }));
System.out.println("Return value: " + tcstub.setACAndGetA("string", 123));
System.out.println("Return value: " + tcstub.sumArray(new String[] { "123", "456", "987" }));