A practical guide to flipping bits of an integer in Java, covering both full 32-bit flipping and significant-bit-only flipping. Explains the bitwise NOT operator (~), mask-based XOR and AND approaches using Integer.numberOfLeadingZeros() and Integer.highestOneBit(), and alternative methods like arithmetic negation (-n-1) and

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Table of contents
1. Overview2. Understanding Bit Flipping3. Using the Bitwise NOT Operator4. Flipping Only the Significant Bits5. Alternative Methods6. Conclusion

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