RFR: 8369573: Add missing compile commands help documentation for the signature part of method patterns

[Daniel Lundén]

On Thu, 16 Oct 2025 07:34:46 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> 2) in the context of Java, a "signature" tends to refer to the parameter types only, excluding return type

Additionally, the method signature also includes the method name itself (unlike the method descriptor). From the Java 25 spec:

> 8.4.2 Method Signature
> Two methods or constructors, M and N, have the same signature if they have the
> same **name**, the same type parameters (if any) (§8.4.4), and, after adapting the
> formal parameter types of N to the type parameters of M, the same formal parameter
> types.

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PR Comment: https://git.openjdk.org/jdk/pull/27818#issuecomment-3409734943