Fix #6398: Java列表无法刷新版本信息 (#6808)

Close #6398

HMCL/src/main/java/org/jackhuang/hmcl/ui/main/JavaManagementPage.java

@@ -21,7 +21,6 @@ import com.jfoenix.controls.JFXButton;
 import com.jfoenix.controls.JFXListView;
 import javafx.beans.binding.Bindings;
 import javafx.beans.value.ChangeListener;
-import javafx.collections.FXCollections;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.Node;
@@ -184,7 +183,10 @@ public final class JavaManagementPage extends ListPageBase<JavaRuntime> {
     @FXThread
     private void loadJava(Collection<JavaRuntime> javaRuntimes) {
         if (javaRuntimes != null) {
-            this.setItems(FXCollections.observableArrayList(javaRuntimes));
+            // JavaRuntime equality is path-based. setAll can therefore retain a stale item when the
+            // Java installation at an existing path has been upgraded.
+            this.getItems().clear();
+            this.getItems().addAll(javaRuntimes);
             this.setLoading(false);
         } else {
             this.setLoading(true);