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CIT341

Question: Which of the following is a valid value in Boolean data type ?
Answer: ALARM

Question: What is the output after executing the following code fragment: int [] x =
{1,2,3,4,51; System.out.println(x[0])
Answer: 1

Question: Which of the following sets all cells of a five-element array to the value of 10?
Answer: int x[5]={10,10,10,10,10};

Question: Consider a hash table of size 5, with starting index zero. If after inserting the sequence 1,2,3,4 the content of the table is 2,_,3,1,4 what is a possible hash function used? Note that â€~_’ denotes an empty location in the table.
Answer: H(x)=(2x+1)mod5

Question: Which of the following is an abstract datatype?
Answer: List

Question: The following sequence of operations are performed on an empty Queue Q: ADD(1 ,Q), ADD(2,Q), REMOVE(Q), ADD(1 ,Q), ADD(2,Q), REMOVE(Q), REMOVE(Q), REMOVE(Q), ADD(2,Q), REMOVE(Q). The sequence of the removed values are?
Answer: 1,2,1,2,2

Question: Which of the following is not a primitive data type in Java?
Answer: String

Question: Which of the following is a best way of declaring x as a two-dimension array in java?
Answer: int[|n x = new int[10][20];

Question: The collection of values and operations allowed on those values is known as
Answer: Data type

Question: Which of the following data structures uses FIFO method?
Answer: Queue





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