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8147591: Revisit Collection.toArray(new T[size]) calls in nashorn and dynalink code

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Reviewed-by: hannesw, mhaupt, sundar
This commit is contained in:
Srinivas Dama 2016-01-28 11:20:44 +01:00 committed by Michael Haupt
parent a6932e5352
commit f651deea03
24 changed files with 59 additions and 59 deletions
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8
nashorn/src/jdk.dynalink/share/classes/jdk/dynalink/TypeConverterFactory.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -209,8 +209,8 @@ final class TypeConverterFactory {
c.add((ConversionComparator)factory);
}
}
this.factories = l.toArray(new GuardingTypeConverterFactory[l.size()]);
this.comparators = c.toArray(new ConversionComparator[c.size()]);
this.factories = l.toArray(new GuardingTypeConverterFactory[0]);
this.comparators = c.toArray(new ConversionComparator[0]);
this.autoConversionStrategy = autoConversionStrategy;
}
@ -285,7 +285,7 @@ final class TypeConverterFactory {
return handle;
}
final MethodHandle newHandle =
MethodHandles.filterArguments(handle, pos, converters.toArray(new MethodHandle[converters.size()]));
MethodHandles.filterArguments(handle, pos, converters.toArray(new MethodHandle[0]));
converters.clear();
return newHandle;
}

4
nashorn/src/jdk.dynalink/share/classes/jdk/dynalink/beans/AccessibleMembersLookup.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -133,7 +133,7 @@ class AccessibleMembersLookup {
}
Class<?>[] getInnerClasses() {
return innerClasses.toArray(new Class<?>[innerClasses.size()]);
return innerClasses.toArray(new Class<?>[0]);
}
/**

4
nashorn/src/jdk.dynalink/share/classes/jdk/dynalink/linker/support/CompositeGuardingDynamicLinker.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -112,7 +112,7 @@ public class CompositeGuardingDynamicLinker implements GuardingDynamicLinker {
for(final GuardingDynamicLinker linker: linkers) {
l.add(Objects.requireNonNull(linker));
}
this.linkers = l.toArray(new GuardingDynamicLinker[l.size()]);
this.linkers = l.toArray(new GuardingDynamicLinker[0]);
}
/**

4
nashorn/src/jdk.dynalink/share/classes/jdk/dynalink/linker/support/CompositeTypeBasedGuardingDynamicLinker.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -157,7 +157,7 @@ public class CompositeTypeBasedGuardingDynamicLinker implements TypeBasedGuardin
for(final TypeBasedGuardingDynamicLinker linker: linkers) {
l.add(Objects.requireNonNull(linker));
}
this.classToLinker = new ClassToLinker(l.toArray(new TypeBasedGuardingDynamicLinker[l.size()]));
this.classToLinker = new ClassToLinker(l.toArray(new TypeBasedGuardingDynamicLinker[0]));
}
/**

4
nashorn/src/jdk.dynalink/share/classes/jdk/dynalink/support/ChainedCallSite.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -209,7 +209,7 @@ public class ChainedCallSite extends AbstractRelinkableCallSite {
invocations = newInvocations.getFirst();
break;
default:
invocations = newInvocations.toArray(new GuardedInvocation[newInvocations.size()]);
invocations = newInvocations.toArray(new GuardedInvocation[0]);
}
setTarget(target);
return target;

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/scripting/NashornException.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -182,7 +182,7 @@ public abstract class NashornException extends RuntimeException {
st.getFileName(), st.getLineNumber()));
}
}
return filtered.toArray(new StackTraceElement[filtered.size()]);
return filtered.toArray(new StackTraceElement[0]);
}
/**

8
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/CodeGenerator.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -2996,8 +2996,8 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
// Copy values and labels to arrays.
final int size = tree.size();
final Integer[] values = tree.keySet().toArray(new Integer[size]);
final Label[] labels = tree.values().toArray(new Label[size]);
final Integer[] values = tree.keySet().toArray(new Integer[0]);
final Label[] labels = tree.values().toArray(new Label[0]);
// Discern low, high and range.
final int lo = values[0];
@ -5203,7 +5203,7 @@ final class CodeGenerator extends NodeOperatorVisitor<CodeGeneratorLexicalContex
}
}
}
return names.toArray(new String[names.size()]);
return names.toArray(new String[0]);
}
private static String commonPrefix(final String s1, final String s2) {

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/codegen/FunctionSignature.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -141,7 +141,7 @@ public final class FunctionSignature {
paramTypeList.add(paramType.getTypeClass());
}
this.methodType = MH.type(returnType.getTypeClass(), paramTypeList.toArray(new Class<?>[paramTypes.length]));
this.methodType = MH.type(returnType.getTypeClass(), paramTypeList.toArray(new Class<?>[0]));
}
/**

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/Block.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -136,7 +136,7 @@ public class Block extends Node implements BreakableNode, Terminal, Flags<Block>
* @param statements All statements in the block
*/
public Block(final long token, final int finish, final int flags, final List<Statement> statements) {
this(token, finish, flags, statements.toArray(new Statement[statements.size()]));
this(token, finish, flags, statements.toArray(new Statement[0]));
}
private Block(final Block block, final int finish, final List<Statement> statements, final int flags, final Map<String, Symbol> symbols, final LocalVariableConversion conversion) {

6
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/LiteralNode.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -250,7 +250,7 @@ public abstract class LiteralNode<T> extends Expression implements PropertyKey {
}
private static Expression[] valueToArray(final List<Expression> value) {
return value.toArray(new Expression[value.size()]);
return value.toArray(new Expression[0]);
}
/**
@ -941,7 +941,7 @@ public abstract class LiteralNode<T> extends Expression implements PropertyKey {
}
private ArrayLiteralNode setValue(final LexicalContext lc, final List<Expression> value) {
return setValue(lc, value.toArray(new Expression[value.size()]));
return setValue(lc, value.toArray(new Expression[0]));
}
@Override

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/debug/ASTWriter.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -98,7 +98,7 @@ public final class ASTWriter {
public Node[] toArray() {
final List<Node> preorder = new ArrayList<>();
printAST(new StringBuilder(), preorder, null, "root", root, 0);
return preorder.toArray(new Node[preorder.size()]);
return preorder.toArray(new Node[0]);
}
@SuppressWarnings("unchecked")

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/debug/ObjectSizeCalculator.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -328,7 +328,7 @@ public final class ObjectSizeCalculator {
this.fieldsSize = newFieldsSize;
this.objectSize = roundTo(objectHeaderSize + newFieldsSize, objectPadding);
this.referenceFields = newReferenceFields.toArray(
new Field[newReferenceFields.size()]);
new Field[0]);
}
void visit(final Object obj, final ObjectSizeCalculator calc) {

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeArray.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -1264,7 +1264,7 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
// behaviour of sort is implementation-defined.
}
return list.toArray(new Object[array.length]);
return list.toArray(new Object[0]);
}
/**

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeDebug.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -379,7 +379,7 @@ public final class NativeDebug extends ScriptObject {
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object getRuntimeEvents(final Object self) {
final LinkedList<RuntimeEvent<?>> q = getEventQueue(self);
return q.toArray(new RuntimeEvent<?>[q.size()]);
return q.toArray(new RuntimeEvent<?>[0]);
}
/**

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeFunction.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -130,7 +130,7 @@ public final class NativeFunction {
return (Object[])array;
} else if (array instanceof List) {
final List<?> list = (List<?>)array;
return list.toArray(new Object[list.size()]);
return list.toArray(new Object[0]);
} else if (array == null || array == UNDEFINED) {
return ScriptRuntime.EMPTY_ARRAY;
} else if (array instanceof JSObject) {

6
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/objects/NativeObject.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -702,7 +702,7 @@ public final class NativeObject {
}
if (!propList.isEmpty()) {
targetObj.addBoundProperties(sourceObj, propList.toArray(new Property[propList.size()]));
targetObj.addBoundProperties(sourceObj, propList.toArray(new Property[0]));
}
} else if (source instanceof ScriptObjectMirror) {
// get enumerable, immediate properties of mirror
@ -819,7 +819,7 @@ public final class NativeObject {
}
}
targetObj.addBoundProperties(source, properties.toArray(new AccessorProperty[properties.size()]));
targetObj.addBoundProperties(source, properties.toArray(new AccessorProperty[0]));
}
private static MethodHandle getBoundBeanMethodGetter(final Object source, final MethodHandle methodGetter) {

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/PropertyMap.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -377,7 +377,7 @@ public class PropertyMap implements Iterable<Object>, Serializable {
if (Context.DEBUG) {
protoInvalidations.add(size);
}
SwitchPoint.invalidateAll(protoSwitches.values().toArray(new SwitchPoint[size]));
SwitchPoint.invalidateAll(protoSwitches.values().toArray(new SwitchPoint[0]));
protoSwitches.clear();
}
}

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/ScriptFunction.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -993,7 +993,7 @@ public class ScriptFunction extends ScriptObject {
if (bestInvoker.getSwitchPoints() != null) {
sps.addAll(Arrays.asList(bestInvoker.getSwitchPoints()));
}
final SwitchPoint[] spsArray = sps.isEmpty() ? null : sps.toArray(new SwitchPoint[sps.size()]);
final SwitchPoint[] spsArray = sps.isEmpty() ? null : sps.toArray(new SwitchPoint[0]);
return new GuardedInvocation(
boundHandle,

10
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/ScriptObject.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -1334,7 +1334,7 @@ public abstract class ScriptObject implements PropertyAccess, Cloneable {
for (ScriptObject self = this; self != null; self = self.getProto()) {
keys.addAll(Arrays.asList(self.getOwnKeys(String.class, true, nonEnumerable)));
}
return keys.toArray(new String[keys.size()]);
return keys.toArray(new String[0]);
}
/**
@ -2146,7 +2146,7 @@ public abstract class ScriptObject implements PropertyAccess, Cloneable {
}
switchPoints.add(getMap().getSwitchPoint(name));
return switchPoints.toArray(new SwitchPoint[switchPoints.size()]);
return switchPoints.toArray(new SwitchPoint[0]);
}
private void checkSharedProtoMap() {
@ -2505,7 +2505,7 @@ public abstract class ScriptObject implements PropertyAccess, Cloneable {
for (ScriptObject self = object; self != null; self = self.getProto()) {
keys.addAll(Arrays.asList(self.getOwnKeys(String.class, false, nonEnumerable)));
}
this.values = keys.toArray(new String[keys.size()]);
this.values = keys.toArray(new String[0]);
}
}
@ -2523,7 +2523,7 @@ public abstract class ScriptObject implements PropertyAccess, Cloneable {
valueList.add(self.get(key));
}
}
this.values = valueList.toArray(new Object[valueList.size()]);
this.values = valueList.toArray(new Object[0]);
}
}

4
nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/Timing.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -176,7 +176,7 @@ public final class Timing implements Loggable {
} catch (final IOException e) {
throw new RuntimeException(e);
}
return strs.toArray(new String[strs.size()]);
return strs.toArray(new String[0]);
}
@Override

6
nashorn/test/src/jdk/nashorn/internal/test/framework/ParallelTestRunner.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -166,7 +166,7 @@ public class ParallelTestRunner {
final List<String> args = getCompilerArgs();
int errors;
try {
errors = evaluateScript(out, err, args.toArray(new String[args.size()]));
errors = evaluateScript(out, err, args.toArray(new String[0]));
} catch (final AssertionError e) {
final PrintWriter writer = new PrintWriter(err);
e.printStackTrace(writer);
@ -199,7 +199,7 @@ public class ParallelTestRunner {
final ByteArrayOutputStream err = new ByteArrayOutputStream();
try {
final int errors = evaluateScript(out, err, args.toArray(new String[args.size()]));
final int errors = evaluateScript(out, err, args.toArray(new String[0]));
if (errors != 0 || err.size() > 0) {
if (expectRunFailure) {

6
nashorn/test/src/jdk/nashorn/internal/test/framework/ScriptRunnable.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -108,7 +108,7 @@ public final class ScriptRunnable extends AbstractScriptRunnable implements ITes
int errors;
try {
errors = evaluateScript(out, err, args.toArray(new String[args.size()]));
errors = evaluateScript(out, err, args.toArray(new String[0]));
} catch (final AssertionError e) {
final PrintWriter writer = new PrintWriter(err);
e.printStackTrace(writer);
@ -144,7 +144,7 @@ public final class ScriptRunnable extends AbstractScriptRunnable implements ITes
final File errorFileHandle = new File(errorFileName);
try (OutputStream outputFile = new FileOutputStream(outputFileName); OutputStream errorFile = new FileOutputStream(errorFileName)) {
final int errors = evaluateScript(outputFile, errorFile, args.toArray(new String[args.size()]));
final int errors = evaluateScript(outputFile, errorFile, args.toArray(new String[0]));
if (errors != 0 || errorFileHandle.length() > 0) {
if (expectRunFailure) {

4
nashorn/test/src/jdk/nashorn/internal/test/framework/TestFinder.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -392,7 +392,7 @@ public final class TestFinder {
if (hasOptimisticOverride()) {
final List<String> newList = new ArrayList<>(Arrays.asList(args));
newList.add("--optimistic-types=" + OPTIMISTIC_OVERRIDE);
return newList.toArray(new String[newList.size()]);
return newList.toArray(new String[0]);
}
return args;
}

4
nashorn/tools/fxshell/jdk/nashorn/tools/FXShell.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2016, 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
@ -134,7 +134,7 @@ public class FXShell extends Application {
}
// Create a Nashorn script engine with specified arguments.
engine = factory.getScriptEngine(args.toArray(new String[args.size()]));
engine = factory.getScriptEngine(args.toArray(new String[0]));
// Load initial scripts.
for (String path : paths) {