Differences between Heap Dump, thread dump and core dump (#14718)

* Differences between Heap Dump, thread dump and core dump

* Differences between Heap Dump, thread dump and core dump

* Differences between Heap Dump, thread dump and core dump

* Differences Between Heap Dump, Thread Dump and Core Dump

core-java-modules/core-java-perf-2/src/main/java/com/baeldung/dumps/CoreDump.c

@@ -0,0 +1,15 @@
+#include <jni.h>
+#include "CoreDump.h"
+
+void core() {
+    int *p = NULL;
+    *p = 0;
+}
+
+JNIEXPORT void JNICALL Java_CoreDump_core (JNIEnv *env, jobject obj) {
+    core();
+};
+
+void main() {
+}
+

core-java-modules/core-java-perf-2/src/main/java/com/baeldung/dumps/CoreDump.h

@@ -0,0 +1,21 @@
+/* DO NOT EDIT THIS FILE - it is machine generated */
+#include <jni.h>
+/* Header for class CoreDump */
+
+#ifndef _Included_CoreDump
+#define _Included_CoreDump
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*
+ * Class:     CoreDump
+ * Method:    core
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_CoreDump_core
+  (JNIEnv *, jobject);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

core-java-modules/core-java-perf-2/src/main/java/com/baeldung/dumps/CoreDump.java

@@ -0,0 +1,13 @@
+package com.baeldung.dumps;
+
+public class CoreDump {
+    static {
+        System.loadLibrary("nativelib");
+    }
+
+    public static void main(String[] args) {
+        new CoreDump().core();
+    }
+
+    private native void core();
+}

core-java-modules/core-java-perf-2/src/main/java/com/baeldung/dumps/HeapDump.java

@@ -0,0 +1,19 @@
+package com.baeldung.dumps;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class HeapDump {
+    public static void main(String[] args) {
+        List<Integer> numbers = new ArrayList<>();
+
+        try {
+            while (true) {
+                numbers.add(10);
+            }
+        } catch (OutOfMemoryError e) {
+            System.out.println("Out of memory error occurred!");
+        }
+    }
+
+}

core-java-modules/core-java-perf-2/src/main/java/com/baeldung/dumps/ThreadDump.java

@@ -0,0 +1,18 @@
+package com.baeldung.dumps;
+
+public class ThreadDump {
+    public static void main(String[] args) {
+        longRunningTask();
+    }
+
+    private static void longRunningTask() {
+        for (int i = 0; i < Integer.MAX_VALUE; i++) {
+            if (Thread.currentThread().isInterrupted()) {
+                System.out.println("Interrupted!");
+                break;
+            }
+            System.out.println(i);
+        }
+    }
+
+}