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Why does Jikes reject a program that another compiler accepts, or accept one that it rejects?

April 26, 2017accepts compiler jikes program reject rejects

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Why does Jikes reject a program that another compiler accepts, or accept one that it rejects?

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You may find that Jikes accepts a program that another compiler rejects (or can’t compile), or rejects programs that another compiler accepts. Each version of Jikes represents our best effort at the proper interpretation of the language specification. Although Jikes is designed to work with all but the earliest versions of the JDK, we make no claim that any particular version supports precisely the same language as any particular version of the JDK. Since some products are designed to work with specific versions of the JDK, the compilers associated with them may not always recognize the same programs as Jikes. This section contains some examples of issues related to interpreting the specification.