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Java as cloud-deployed AWS Lambda Functions operating through the AWS API Gateway.

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Java Prep / Deploy to AWS Function: Can Sum? {Memoised} Function: How Sum? {Memoised} Function: Decimal to Binary Conversion Function: Palindrome Check

Problem

Convert a decimal number to a binary value

Solve

Step 1. The Method

Progressively add the result of a mod2 operation to a StringBuilder, then reverse the StringBuilder. StringBuilder for this will have a O(n) complexity where n is the number of binary digits appended to the StringBuilder.

Implement

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