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This Code Runs in Both Kotlin and Java
- This article discusses how a program can run in both Kotlin and Java using code-smuggling techniques.
- The author uses a unique trick involving Unicode escape sequences in Java to hide executable Java code inside what Kotlin thinks is a comment.
- Kotlin allows nested block comments not permitted in Java, offering a potential way to hide Kotlin code in Java files.
- The author explores using String literals and dollar-interpolation to conceal Kotlin code inside Java files.
- By leveraging text blocks and valid Java statements, the article explains how Kotlin code can be hidden in Java programs.
- These code-smuggling methods enable the creation of polyglot programs that combine Java and Kotlin seamlessly.
- The author provides insights into how to hide and blend code from both languages effectively.
- This technique can be extended to merge any pair of Java and Kotlin programs into a single file.
- The article concludes by challenging readers to find the hidden tricks in the provided polyglot program.
- Overall, the article showcases creative ways to achieve interoperability between Java and Kotlin within a single codebase.
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