Hash Code: First, a hash function converts a search key to an integer value and then it compresses this hash code into an index in the hash table. The hash code is simply a 32-bit signed int number, where the object is managed by a hash table. Actually, hash code is not a unique number for an object. The two objects will return the same hash code if both the objects are equal. Bit Shift Operators: There are two bit shift operators: the left shift operator << and the right shift operator >>. Syntax: some_int << number_of_bits some_int >> number_of_bits where, some_int is an integer value or variable. number_of_bits is an integer value is at most 8 . The left shift operator multiplies the left operand by 2 raised to the right operand power. In math notation, x << y equals x 2 y . The right shift operator >> is used to divide by powers of 2.

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Chapter 27.7, Problem 27.7.1CP

Program Plan Intro

Hash Code:

First, a hash function converts a search key to an integer value and then it compresses this hash code into an index in the hash table.

The hash code is simply a 32-bit signed int number, where the object is managed by a hash table.

Actually, hash code is not a unique number for an object. The two objects will return the same hash code if both the objects are equal.

Bit Shift Operators:

There are two bit shift operators: the left shift operator << and the right shift operator >>.

Syntax:

some_int << number_of_bits

some_int >> number_of_bits

where,

some_int is an integer value or variable.

number_of_bits is an integer value is at most 8 .

The left shift operator multiplies the left operand by 2 raised to the right operand power. In math notation, x << y equals x 2^y.

The right shift operator >> is used to divide by powers of 2.

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