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  1. JDK
  2. JDK-8155215

java.lang.String concatenation spec is unnecessarily strong

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    • Enhancement
    • Resolution: Fixed
    • P3
    • 9
    • 9
    • core-libs
    • b117

    Description

      JLS 15.18.1, "String Concatenation Operator +" does not mandate any specific implementation for String concatenation.

      The Javadoc for java.lang.String makes an unnecessarily stronger claim:
        * The Java language provides special support for the string
        * concatenation operator ( + ), and for conversion of
        * other objects to strings. String concatenation is implemented
        * through the {@code StringBuilder}(or {@code StringBuffer})
        * class and its {@code append} method.

      We should relax this in Javadoc too.

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            shade Aleksey Shipilev
            shade Aleksey Shipilev
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              Updated:
              Resolved: