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Java 27 and 26: runnable demos and captured output for every JEP, plus version lanes

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Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01B38FGKKam5SCGgwgduVAh3
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asmhatre
2026-09-21 15:08:50 +00:00
committed by Claude
co-authored by Claude Sonnet 5
commit f59c1de96d
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recap26/src/AotApp.java
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import java.time.*;
import java.util.*;
import java.util.stream.*;
public class AotApp {
public static void main(String[] a) {
long t0 = System.nanoTime();
var m = IntStream.range(0, 2000).boxed().collect(Collectors.groupingBy(i -> i % 7, TreeMap::new, Collectors.summingInt(i -> i)));
String s = String.format("%s %s %s", m, LocalDate.of(2026, 9, 21).getDayOfWeek(), Duration.ofSeconds(90));
System.out.println(s.length() > 10 ? "ok" : "no");
}
}