src/java.base/share/classes/java/security/Policy.java

@@ -168,11 +168,11 @@
         if (pi.initialized == false || pi.policy == null) {
             synchronized (Policy.class) {
                 PolicyInfo pinfo = policy.get();
                 if (pinfo.policy == null) {
                     String policy_class = AccessController.doPrivileged(
-                        new PrivilegedAction<String>() {
+                        new PrivilegedAction<>() {
                         public String run() {
                             return Security.getProperty("policy.provider");
                         }
                     });
                     if (policy_class == null) {

@@ -197,11 +197,11 @@
                         pinfo = new PolicyInfo(polFile, false);
                         policy.set(pinfo);
 
                         final String pc = policy_class;
                         Policy pol = AccessController.doPrivileged(
-                            new PrivilegedAction<Policy>() {
+                            new PrivilegedAction<>() {
                             public Policy run() {
                                 try {
                                     ClassLoader cl =
                                             ClassLoader.getSystemClassLoader();
                                     // we want the extension loader

@@ -301,11 +301,11 @@
          * statically binds permissions so that legacy Policy
          * implementations will continue to function.
          */
 
         ProtectionDomain policyDomain =
-        AccessController.doPrivileged(new PrivilegedAction<ProtectionDomain>() {
+        AccessController.doPrivileged(new PrivilegedAction<>() {
             public ProtectionDomain run() {
                 return p.getClass().getProtectionDomain();
             }
         });