[BAEL-4556] How to Check if a Java Program Is Running in 64-Bit JVM or 32-Bit JVM (#10139)

* How to Check if a Java Program Is Running in 64-Bit JVM or 32-Bit JVM

How to Check if a Java Program Is Running in 64-Bit JVM or 32-Bit JVM

* baeldung-articlesBAEL-4556 How can I tell if I'm running in 64-bit JVM or 32-bit JVM

Changes as per review comments .
1.Package Name change
2.Variable change from static to instance
3.Test Method name change

* Update JVMBitVersionUnitTest.java

[BAEL-4556] How to Check if a Java Program Is Running in 64-Bit JVM or 32-Bit JVM

* [BAEL-4556]Added code and Junits for JVMBitVersion

* [BAEL-4556]Removed code and Junits for os.arch property to check JVMBitVersion

Co-authored-by: MeenaGawande <MeenaGawande@users.noreply.github.com>

java-native/src/main/java/com/baeldung/jvmbitversion/JVMBitVersion.java

@@ -0,0 +1,24 @@
+package com.baeldung.jvmbitversion;
+
+import com.sun.jna.Platform;
+
+public class JVMBitVersion {
+
+    public String getUsingSystemClass() {
+        return System.getProperty("sun.arch.data.model") + "-bit";
+    }
+
+    public String getUsingNativeClass() {
+        if (com.sun.jna.Native.POINTER_SIZE == 8) {
+            return "64-bit";
+        } else if (com.sun.jna.Native.POINTER_SIZE == 4) {
+            return "32-bit";
+        } else
+            return "unknown";
+    }
+
+    public boolean getUsingPlatformClass() {
+        return (Platform.is64Bit());
+    }
+
+}