Answer the following statements true (T) or false (F)
1. The modulus operator (%) performs division between two integers, but rather than returning the quotient, it returns the remainder.
2. Mathematical expressions involving multiple operators are always evaluated from left to right.
3. When you perform a math operation on two operands of the same data type, the result will always be of that data type.
4. C# does not allow operations that mix the decimal and double data types unless you use a cast operator to explicitly convert one of the operands.
1. TRUE
2. FALSE
3. TRUE
4. TRUE
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Suppose that you use the previous method insertSortedto add an entry to asorted list. If the entry is already in the list, where in the list will the method insert it? Beforethe first occurrence of the entry, after the first occurrence of the entry, after the last occurrenceof the entry, or somewhere else?
What will be an ideal response?
Consider the following B+-tree, where a node can contain two search key values and three pointers. Suppose that this tree indexes a le where each page can contain 10 records.
(a) Assuming that the index is unclustered, what is the maximal size (measured in data records) of a file that can be indexed by the depicted B+-tree?
(b) Same question, but assume that the index is now clustered.
(c) Show the B+-tree after inserting a new record with search key value 70.
(d) Show the tree after deletion (from the original tree) of the record with search key 7.
(You must redraw the tree when giving the answer? leave the original tree intact.)
The breadth-first traversal uses three process states: not processed, processed and ____.
A. valid B. invalid C. duplicate D. in queue
The Java API strongly recommends that classes implementing the ____ interface define a long instance variable named serialVersionUID, and set it to a unique number.
A. Comparable B. Serializable C. Class D. Enum