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Q91. Given: 

What is the reference type of myZ and what is the type of the object it references? 

A. Reference type is Z; object type is Z. 

B. Reference type is Y; object type is Y. 

C. Reference type is Z; object type is Y. 

D. Reference type is X; object type is Z. 


Q92. Given the fragments: 

Which line causes a compilation error? 

A. Line n1 

B. Line n2 

C. Line n3 

D. Line n4 


Q93. Identify two benefits of using ArrayList over array in software development. 

A. reduces memory footprint 

B. implements the Collection API 

C. is multi.thread safe 

D. dynamically resizes based on the number of elements in the list 

Answer: AD 

Q94. Given: 

What is the result? 

A. 6 5 6 4 

B. 6 5 5 4 

C. 6 5 6 6 

D. 6 5 6 5 


Q95. Give: 

What is the result? 

A. 1525 

B. 13 

C. Compilation fails 

D. An exception is thrown at runtime 

E. The program fails to execute due to runtime error 


Q96. Which code fragment cause a compilation error? 

A. flat flt = 100F; 

B. float flt = (float) 1_11.00; 

C. float flt = 100; 

D. double y1 = 203.22; floatflt = y1 

E. int y2 = 100; floatflt = (float) y2; 


Q97. Given: 

What is the result? 

A. Marrown 

String out of limits 


B. Marrown 

String out of limits 

Array out of limits 

C. Marrown 

String out of limits 

D. Marrown