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Overview of java String concatenation compilation: java 8 vs java 9.

Reference: https://www.guardsquare.com/en/blog/string-concatenation-java-9-untangling-invokedynamic Reference: https://www ...
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CodingBat-solutions /java /String-1

if(a.length() == 0 && b.length() == 0) return a + b; else if(a.length() == 0) return b; else if(b.length() == 0) return a; else ...