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

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Reviewed-by: redestad, rriggs
This commit is contained in:
Sergey Tsypanov 2022-06-01 13:31:36 +00:00 • committed by Roger Riggs
parent 48f19e43c5
commit 168b226b0f
4 changed files with 10 additions and 11 deletions
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4
src/java.base/share/classes/java/lang/invoke/MethodHandles.java
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@ -6760,7 +6760,7 @@ assertEquals("boojum", (String) catTrace.invokeExact("boo", "jum"));
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 @@ assertEquals("boojum", (String) catTrace.invokeExact("boo", "jum"));
// 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

6
src/java.base/share/classes/java/nio/file/FileTreeIterator.java
View file

@ -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 @@ package java.nio.file;
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;