[SPARK-53966][CORE] Add utility functions to detect JVM GCs

### What changes were proposed in this pull request?

This PR aims to add utility functions to detect JVM GCs.

### Why are the changes needed?

To provide a general capability to optimize based on the GC types.

### Does this PR introduce _any_ user-facing change?

No

### How was this patch tested?

Manual review.

### Was this patch authored or co-authored using generative AI tooling?

No

Closes #52678 from wankunde/zgc.

Authored-by: WanKun <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>

Author: WanKun

core/src/main/scala/org/apache/spark/util/Utils.scala

@@ -3138,7 +3138,19 @@ private[spark] object Utils
   /**
    * Return whether we are using G1GC or not
    */
-  lazy val isG1GC: Boolean = {
+  lazy val isG1GC: Boolean = checkUseGC("UseG1GC")
+
+  /**
+   * Return whether we are using ZGC or not
+   */
+  lazy val isZGC: Boolean = checkUseGC("UseZGC")
+
+  /**
+   * Return whether we are using ShenandoahGC or not
+   */
+  lazy val isShenandoahGC: Boolean = checkUseGC("UseShenandoahGC")
+
+  def checkUseGC(useGCObjectStr: String): Boolean = {
     Try {
       val clazz = Utils.classForName("com.sun.management.HotSpotDiagnosticMXBean")
         .asInstanceOf[Class[_ <: PlatformManagedObject]]
@@ -3147,9 +3159,9 @@ private[spark] object Utils
       val vmOptionMethod = clazz.getMethod("getVMOption", classOf[String])
       val valueMethod = vmOptionClazz.getMethod("getValue")
 
-      val useG1GCObject = vmOptionMethod.invoke(hotSpotDiagnosticMXBean, "UseG1GC")
-      val useG1GC = valueMethod.invoke(useG1GCObject).asInstanceOf[String]
-      "true".equals(useG1GC)
+      val useGCObject = vmOptionMethod.invoke(hotSpotDiagnosticMXBean, useGCObjectStr)
+      val useGC = valueMethod.invoke(useGCObject).asInstanceOf[String]
+      "true".equals(useGC)
     }.getOrElse(false)
   }