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  1. JDK
  2. JDK-8062373

Project Coin: diamond and anonymous classes

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      Description

        At some point, during JDK 7 development, the following changeset:

        http://hg.openjdk.java.net/jdk7/jdk7/langtools/rev/ca32f2986301

        Allowed diamond syntax to be used in conjunction with anonymous inner classes. That change has been backed out for scoping reasons. It is now time to re-enable it, as the analysis in JDK-8058519 shows that such a simple approach - together with the more powerful JDK 8 inference, could indeed be beneficial in the vast majority of cases.

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8085475 Project Coin: diamond and anonymous classes

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8076281 Investigate compiler Tree API client's expectations for inferred elided types.

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Open

            Bug - A problem which impairs or prevents the functions of the product. JDK-8186873 Possible dead code "com.sun.tools.javac.tree.TreeInfo.isAnonymousDiamond()" which was added in 9

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Enhancement - null JDK-8078467 Update core libraries to use diamond with anonymous classes

            • P3 - Major loss of function.
            • Resolved

            Enhancement - null JDK-8301120 Cleanup utility classes java.util.Arrays and java.util.Collections

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Enhancement - null JDK-8058519 Project Coin: Explore allowing interaction of diamond syntax and anonymous classes

            • P3 - Major loss of function.
            • Closed

            Bug - A problem which impairs or prevents the functions of the product. JDK-8132535 Compiler fails with diamond anonymous class creation with intersection bound of enclosing class

            • P3 - Major loss of function.
            • Closed

            JEP - Java Enhancement Proposal JDK-8042880 JEP 213: Milling Project Coin

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

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                sadayapalam Srikanth Adayapalam (Inactive)
                mcimadamore Maurizio Cimadamore
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                  Updated:
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