sum = 12
[OK] Caught UFE: Uninitialized field: checked.scala: 42
2
[OK] Caught UFE: Uninitialized field: checked.scala: 73
x = 10
y = 11
lz1 = 1
lz2 = 2
[OK]: 24
x = 10
y = 11
lz1 = 1
lz2 = 2
[OK]: 24