Friends of OpenJDK Today on foojay.io - Friends of OpenJDK

git clone https://github.com/mongodb/mongot
<dependency>
 <groupId>org.springframework.ai</groupId>
 <artifactId>spring-ai-model</artifactId>
</dependency>
<dependency>
 <groupId>org.springaicommunity</groupId>
 <artifactId>spring-ai-agentcore-memory</artifactId>
</dependency>
brew tap ortus-boxlang/boxlang

git clone https://github.com/luketn/mongodb-schemas-in-java 
cd mongodb-schemas-in-java 
mvn test
git clone [email protected]:soujava/mongodb-virtual-threads.git

git clone https://github.com/luketn/mongodb-atlas-local-testcontainers.git
cd mongodb-atlas-local-testcontainers
mvn test
fn add(str1: &str, str2: &str) -> Result<i8, ParseIntError> {
 Ok(str1.parse::<i8>()? + str2.parse::<i8>()?)
}

fn main() {
 print!("{:?}", add("1", "2"));
 print!("{:?}", add("1", "a"));
}
int a = 0;
try {
 if (a == 0) { // to make it less boring, let's have some branching logic
 throw new Exception("Exception message!");
 }
} catch (Exception e) {
 doSomethingOnException();
} finally {
 doSomethingFinally();
}
./run_bpf.sh XDPPacketFilter twitter.com
What's Next?
 View a summary of image vulnerabilities and recommendations → docker scout quickview
docker scout quickview otel-catalog:1.0
 ✓ Image stored for indexing
 ✓ Indexed 272 packages
 Target │ otel-catalog:1.0 │ 0C 2H 15M 23L
 digest │ 7adfce68062e │
 Base image │ eclipse-temurin:21-jre │ 0C 0H 15M 23L
 Refreshed base image │ eclipse-temurin:21-jre │ 0C 0H 15M 23L
 │ │
What's Next?
 View vulnerabilities → docker scout cves otel-catalog:1.0
 View base image update recommendations → docker scout recommendations otel-catalog:1.0
 Include policy results in your quickview by supplying an organization → docker scout quickview otel-catalog:1.0 --org <organization>
List<String> textList = new ArrayList<>(List.of("test","test11","test2","Test4","test3","test5","tést2","test2","3test","testa","test2a","test4a","test2b"));
Collections.sort(textList);
public class HelloWorld {
 public static void main(String[] args) {
 try (BPF b = BPF.builder("""
 int hello(void *ctx) {
 bpf_trace_printk("Hello, World!");
 return 0;
 }
 """).build()) {
 var syscall = b.get_syscall_fnname("execve");
 b.attach_kprobe(syscall, "hello");
 b.trace_print();
 }
 }
}
<div data-pym-src='https://www.jdoodle.com/plugin' 
 data-language="java" 
 data-version-index="4"
 data-client-id="34d6e81ae45d88cdb9fb98fed1415b81" 
 data-libs="mavenlib1,mavenlib2">
 <div data-type="script"><xmp>

 // This is the place to put your Java code

 </xmp></div>
</div>
<script src="https://www.jdoodle.com/assets/jdoodle-pym.min.js" type="text/javascript"></script>
img {
 height: 100%;
 width: 100%;
 object-fit: contain;
}
private int innerASGCT2() {
 new Tracer().runASGCT().assertTrue(
 Frame.hasMethod(0, "innerASGCT2", "()I"), 
 Frame.hasMethod(1, "testRunASGCT2"));
 return 0;
}

@Test
public void testRunASGCT2() {
 innerASGCT2();
}
1L << 10 = 1 KiB (1024 bytes),
1L << 20 = 1 MiB (10242 bytes),
1L << 30 = 1 GiB (10243 bytes),
1L << 40 = 1 TiB etc
docker run -d -p 8180:8080 -e KEYCLOAK_ADMIN=admin -e KEYCLOAK_ADMIN_PASSWORD=admin \ 
 quay.io/keycloak/keycloak:20.0.1 start-dev
package net.openhft.chronicle.core;
/**
* Throwable created purely for the purposes of reporting a stack trace.
* This is not an Error or an Exception and is not expected to be thrown or caught.
*/
public class StackTrace extends Throwable {
 public StackTrace() { this("stack trace"); }
 public StackTrace(String message) { this(message, null); }
 public StackTrace(String message, Throwable cause) {
 super(message + " on " + Thread.currentThread().getName(), cause);
 }

 public static StackTrace forThread(Thread t) {
 if (t == null) return null;
 StackTrace st = new StackTrace(t.toString());
 StackTraceElement[] stackTrace = t.getStackTrace();
 int start = 0;
 if (stackTrace.length > 2) {
 if (stackTrace[0].isNativeMethod()) {
 start++;
 }
 }
 if (start > 0) {
 StackTraceElement[] ste2 = new StackTraceElement[stackTrace.length - start];
 System.arraycopy(stackTrace, start, ste2, 0, ste2.length);
 stackTrace = ste2;
 }

 st.setStackTrace(stackTrace);
 return st;
 }
}

Friends of OpenJDK Today on foojay.io - Friends of OpenJDK

The Codename One JavaScript Port Is Now Free and Open Source

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Components, Libraries, Tools

Podcasts, Videos, Books

Conferences, Presentations

JFX Central

You’re invited to IntelliJ IDEA Conf 2026!

7 Jackson CVEs in One Day: AI-Assisted Security Research

Not a sales pitch

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