Claude
e0cb6e83e2
Runnable sources, broken examples and captured transcripts for the ankurm.com JEP 512 article, including the measured launch order and a private-constructor difference between 25 and 27. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01TF9JWFvJSNm6HVzswzZU5a
23 lines
765 B
Plaintext
23 lines
765 B
Plaintext
$ cat src/Hello.java
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// The smallest complete Java 25 program. No class, no public, no static, no String[] args.
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void main() {
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IO.println("Hello, world");
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}
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$ java src/Hello.java (JDK 25: OpenJDK Runtime Environment Temurin-25.0.4.1+1 (build 25.0.4.1+1-LTS))
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Hello, world
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$ java src/Hello.java (JDK 27: OpenJDK Runtime Environment Temurin-27+35 (build 27+35))
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Hello, world
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$ ls src/*.class
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ls: cannot access 'src/*.class': No such file or directory
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$ java src/Hello.java (JDK 21: OpenJDK Runtime Environment (build 21.0.10+7-Ubuntu-124.04))
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src/Hello.java:2: error: unnamed classes are a preview feature and are disabled by default.
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void main() {
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^
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(use --enable-preview to enable unnamed classes)
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1 error
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error: compilation failed
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