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The Java 15 language box was broken completely for me. It wouldnt display the stub code and even Pattern.compile() would throw errors. moving the editor to Java 8, and resetting fixed it
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Java Regex 2 - Duplicate Words
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The Java 15 language box was broken completely for me. It wouldnt display the stub code and even Pattern.compile() would throw errors. moving the editor to Java 8, and resetting fixed it