GH-435 release date and LTS info added to java version

Author: thurka

visualvm/applicationviews/src/org/graalvm/visualvm/application/views/overview/ApplicationOverviewModel.java

@@ -239,7 +239,12 @@ private void initialize(Application application) {
 
         if (systemPropertiesSupported) {
             Properties jvmProperties = jvm.getSystemProperties();
-            if (jvmProperties != null) systemProperties = formatSystemProperties(jvmProperties);
+            if (jvmProperties != null) {
+                systemProperties = formatSystemProperties(jvmProperties);
+                String relDate = jvmProperties.getProperty("java.version.date", "");         // NOI18N
+                if (!relDate.isEmpty()) javaVersion += " " + relDate;
+                if (jvm.getVmVersion().contains("LTS")) javaVersion += " LTS";           // NOI18N
+            }
         }
     }
 

visualvm/heapviewer/src/org/graalvm/visualvm/heapviewer/java/impl/JavaOverviewSummary.java

@@ -245,11 +245,16 @@ private static Object[][] computeEnvironmentData(Heap heap, Properties sysprops)
 
             String home = sysprops.getProperty("java.home", Bundle.JavaOverviewSummary_NotAvailable()); // NOI18N
 
+            String name_ver = sysprops.getProperty("java.vm.version", ""); // NOI18N
             String version = sysprops.getProperty("java.version", Bundle.JavaOverviewSummary_NotAvailable()); // NOI18N
             if ("0".equals(version)) version = Bundle.JavaOverviewSummary_NotAvailable(); // NOI18N
+            else {
+                String relDate = sysprops.getProperty("java.version.date", "");         // NOI18N
+                if (!relDate.isEmpty()) version += " " + relDate;
+                if (name_ver.contains("LTS")) version += " LTS";           // NOI18N
+            }
 
             String name = sysprops.getProperty("java.vm.name", Bundle.JavaOverviewSummary_NotAvailable()); // NOI18N
-            String name_ver = sysprops.getProperty("java.vm.version", ""); // NOI18N
             String name_info = sysprops.getProperty("java.vm.info", ""); // NOI18N
             if (name_ver.isEmpty() || name_info.isEmpty()) {
                 if (name_ver.isEmpty()) name += " (" + name_info + ")"; // NOI18N