src/java.base/share/classes/java/lang/SecurityManager.java

rev 52881 : 8214971: Replace use of string.equals("") with isEmpty()

@@ -1199,11 +1199,11 @@
     private static String[] packageDefinition;
     private static final Object packageDefinitionLock = new Object();
 
     private static String[] getPackages(String p) {
         String packages[] = null;
-        if (p != null && !p.equals("")) {
+        if (p != null && !p.isEmpty()) {
             java.util.StringTokenizer tok =
                 new java.util.StringTokenizer(p, ",");
             int n = tok.countTokens();
             if (n > 0) {
                 packages = new String[n];