Java SE 7 Programmer I Free Practice Exam Questions

2 real Java SE 7 Programmer I exam questions with answers and AI explanations. Oracle certification prep — page 1 of 1.

1. Question 11: Which code fragment cause a compilation error?
2. Question 31: Given: class X {} class Y { Y ( ) { } } class Z { Z (int i ) { } } Which class has a default constructor?