8282662: Use List.of() factory method to reduce memory consumption

src/java.base/share/classes/java/lang/invoke/MethodHandles.java

@@ -6760,7 +6760,7 @@ private static List<Class<?>> longestParameterList(List<List<Class<?>>> lists) {
     private static List<Class<?>> buildCommonSuffix(List<MethodHandle> init, List<MethodHandle> step, List<MethodHandle> pred, List<MethodHandle> fini, int cpSize) {
         final List<Class<?>> longest1 = longestParameterList(Stream.of(step, pred, fini).flatMap(List::stream), cpSize);
         final List<Class<?>> longest2 = longestParameterList(init.stream(), 0);
-        return longestParameterList(Arrays.asList(longest1, longest2));
+        return longestParameterList(List.of(longest1, longest2));
     }
 
     private static void loopChecks1b(List<MethodHandle> init, List<Class<?>> commonSuffix) {
@@ -7617,7 +7617,7 @@ private static Class<?> iteratedLoopChecks(MethodHandle iterator, MethodHandle i
                 // special case; if the iterator handle is null and the body handle
                 // only declares V and T then the external parameter list consists
                 // of Iterable
-                externalParamList = Arrays.asList(Iterable.class);
+                externalParamList = List.of(Iterable.class);
                 iterableType = Iterable.class;
             } else {
                 // special case; if the iterator handle is null and the external

src/java.base/share/classes/java/nio/file/FileTreeIterator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,8 +28,8 @@
 import java.io.Closeable;
 import java.io.IOException;
 import java.io.UncheckedIOException;
-import java.util.Arrays;
 import java.util.Iterator;
+import java.util.List;
 import java.util.NoSuchElementException;
 import java.nio.file.FileTreeWalker.Event;
 
@@ -67,7 +67,7 @@ class FileTreeIterator implements Iterator<Event>, Closeable {
     FileTreeIterator(Path start, int maxDepth, FileVisitOption... options)
         throws IOException
     {
-        this.walker = new FileTreeWalker(Arrays.asList(options), maxDepth);
+        this.walker = new FileTreeWalker(List.of(options), maxDepth);
         this.next = walker.walk(start);
         assert next.type() == FileTreeWalker.EventType.ENTRY ||
                next.type() == FileTreeWalker.EventType.START_DIRECTORY;

src/java.base/share/classes/sun/security/validator/EndEntityChecker.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -116,7 +116,7 @@ class EndEntityChecker {
 
     // TLS key exchange algorithms requiring keyEncipherment key usage
     private static final Collection<String> KU_SERVER_ENCRYPTION =
-        Arrays.asList("RSA");
+        List.of("RSA");
 
     // TLS key exchange algorithms requiring keyAgreement key usage
     private static final Collection<String> KU_SERVER_KEY_AGREEMENT =

src/java.base/unix/classes/sun/nio/fs/UnixFileSystem.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,7 +27,7 @@
 
 import java.nio.file.*;
 import java.nio.file.attribute.*;
-import java.nio.file.spi.*;
+import java.nio.file.spi.FileSystemProvider;
 import java.io.IOException;
 import java.util.*;
 import java.util.regex.Pattern;
@@ -144,8 +144,7 @@ void copyNonPosixAttributes(int sfd, int tfd) {
      */
     @Override
     public final Iterable<Path> getRootDirectories() {
-        final List<Path> allowedList =
-           Collections.unmodifiableList(Arrays.asList((Path)rootDirectory));
+        final List<Path> allowedList = List.of(rootDirectory);
         return new Iterable<>() {
             public Iterator<Path> iterator() {
                 try {