Java Bits and Bytes Interview Questions

AND, OR, XOR and NOT in Java

Describe bitwise operators AND, OR, XOR and NOT. Describe how you might use these.

How do these bitwise operators differ from logical operators?

FF in Decimal in Java

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What's the value of hexadecimal FF in decimal?

Integer and int in Java

Explain the difference between Integer and int in Java and when you would choose to use one over the other.