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hansonrhansonr
hansonr
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Java 8 stream tweaks
working: // http://www.javainuse.com/java/java8_method_References List<String> myList = Arrays.asList("b1", "a2", "a1", "c2", "c1"); System.out.println("\n\n------- stream().map().forEach() using lambda expressions -------"); myList.stream().map(s -> s.toUpperCase()).forEach(s -> System.out.print(s + " ")); System.out.println("\n\n------- stream().map().sorted().forEach() using Class::method method reference --------"); myList.stream().map(String::toUpperCase).sorted().forEach(System.out::print); // https://winterbe.com/posts/2014/07/31/java8-stream-tutorial-examples/ System.out.println("\n\n------- stream().filter().map().sorted().forEach() --------"); myList.stream() .filter(s -> s.startsWith("c")) .map(String::toUpperCase) .sorted() .forEach(System.out::print); System.out.println("\n");
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‎sources/net.sf.j2s.core/dist/dropins/net.sf.j2s.core.jar‎

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‎sources/net.sf.j2s.core/dist/dropins/ver/net.sf.j2s.core_3.2.1.jar‎

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‎sources/net.sf.j2s.core/src/net/sf/j2s/core/astvisitors/Java2ScriptVisitor.java‎

Lines changed: 4 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -5730,13 +5730,12 @@ public static void dumpStack() {
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* c = new Test()::test2;
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*/
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public boolean visit(ExpressionMethodReference node) {
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addAnonymousFunctionWrapper(true);
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buffer.append("var $this$=");
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node.getExpression().accept(this);
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buffer.append(";");
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buffer.append("(function($this$){");
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ITypeBinding binding = node.resolveTypeBinding();
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processNewAnonInstance(node, null, binding, null, LAMBDA_METHOD);
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addAnonymousFunctionWrapper(false);
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buffer.append("})(");
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node.getExpression().accept(this);
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buffer.append(")");
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return false;
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}
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@@ -5805,7 +5804,6 @@ private void addLambdaMethod(ASTNode lnode, IMethodBinding mBinding) {
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buffer.append("/*lambdaM*/");
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// Function<Object,Test> iaCreator2= Test::new;
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ExpressionMethodReference node = (ExpressionMethodReference) lnode;
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// mBinding = node.resolveMethodBinding();
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String name = getMethodNameOrArrayForDeclaration(mBinding, false, false, true);
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processMethodDeclaration(mBinding, name, null, null, false, false, true);
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removeVariableFinals(mBinding, null);

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