Q: What is the value of the expression m &= 7 after it is executed in Java, where m is initially 15?

A 0
B 7
C 8
D 15

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Answer: A

Explanation:

The bitwise AND assignment operator (&=) in Java performs a bitwise AND operation between the variable on the left-hand side and the value on the right-hand side and assigns the result to the variable. In this case, m &= 7 is equivalent to 00001111 & 00000111, resulting in 00000111, which is 7 in decimal.

Bitwise Operators

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Q: What is the value of the expression m &= 7 after it is executed in Java, where m is initially 15?

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