RFR: [15,docs] JDK-8248061,bad reference in @throws in HotSpotDiagnosticMXBean

[Jonathan Gibbons]

Please review a small change to fix an unresolved reference in `@throws 
IOException`.

The problem is that the method signature uses a fully-qualified name for 
`java.io.IOException` instead of importing it. meaning that the 
`@throws` cannot resolve the name. Although this could be fixed by using 
a fully-qualified name in `@throws` as well, a better, more conventional 
solution is to import that name and use the simple name in both places.

-- Jon

JBS: https://bugs.openjdk.java.net/browse/JDK-8248061

Patch:


$ hg diff -R open open/src/jdk.management
diff -r 9cfa0137612f 
src/jdk.management/share/classes/com/sun/management/HotSpotDiagnosticMXBean.java
--- 
a/src/jdk.management/share/classes/com/sun/management/HotSpotDiagnosticMXBean.java 
Mon Jun 22 13:37:41 2020 -0700
+++ 
b/src/jdk.management/share/classes/com/sun/management/HotSpotDiagnosticMXBean.java 
Mon Jun 22 16:07:38 2020 -0700
@@ -25,6 +25,7 @@

  package com.sun.management;

+import java.io.IOException;
  import java.lang.management.PlatformManagedObject;

  /**
@@ -72,7 +73,7 @@
       * method denies write access to the named file
       * or the caller does not have ManagmentPermission("control").
       */
- public void dumpHeap(String outputFile, boolean live) throws 
java.io.IOException;
+ public void dumpHeap(String outputFile, boolean live) throws IOException;

      /**
       * Returns a list of {@code VMOption} objects for all diagnostic 
options.


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