given:
        OperatingSystem macOs = new OperatingSystem.MacOs()
        TestFile software = tmpDir.createDir('software')
        //http://openjdk.java.net/jeps/220
        software.create {
            Contents {
                Home {
                    bin {
                        file 'java'
                        file 'javac'

   * noted, but the initial table is a zero-length array.
   *
   * <p>This test may fail miserably on non-OpenJDK environments...
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  @AndroidIncompatible // relies on assumptions about OpenJDK
  public void testNewHashMapWithExpectedSize_wontGrow() throws Exception {
    // before jdk7u40: creates one-bucket table

          which is required to make symbol search work correctly in the generated
          pages.

          This flag does not exist on 9-10 and 13+ (https://bugs.openjdk.java.net/browse/JDK-8215582).

          Consider removing it once our release and test scripts are migrated to a recent JDK (17+).
       -->
      <id>javadocs-jdk11-12</id>
      <activation>

          which is required to make symbol search work correctly in the generated
          pages.

          This flag does not exist on 9-10 and 13+ (https://bugs.openjdk.java.net/browse/JDK-8215582).

          Consider removing it once our release and test scripts are migrated to a recent JDK (17+).
       -->
      <id>javadocs-jdk11-12</id>
      <activation>

         * MultiExceptionListIterator wouldn't be an Iterator<E>. The cast is
         * safe, even though javac can't tell.
         *
         * Sun bug 6665356 is an additional complication. Until OpenJDK 7, javac
         * doesn't recognize this kind of cast as unchecked cast. Neither does
         * Eclipse 3.4. Right now, this suppression is mostly unnecessary.
         */
        @SuppressWarnings("unchecked")

         * MultiExceptionListIterator wouldn't be an Iterator<E>. The cast is
         * safe, even though javac can't tell.
         *
         * Sun bug 6665356 is an additional complication. Until OpenJDK 7, javac
         * doesn't recognize this kind of cast as unchecked cast. Neither does
         * Eclipse 3.4. Right now, this suppression is mostly unnecessary.
         */
        @SuppressWarnings("unchecked")

        TypeVariable<?> typeVar = (TypeVariable<?>) type;
        for (AnnotatedType bound : typeVar.getAnnotatedBounds()) {
          // Until Java 15, the isNullableTypeVariable case here won't help:
          // https://bugs.openjdk.java.net/browse/JDK-8202469
          if (containsNullable(bound.getAnnotations()) || isNullableTypeVariable(bound.getType())) {
            return true;
          }
        }
        return false;
      }

      </ignored-keys>
      <trusted-keys>
         <trusted-key id="015479E1055341431B4545AB72475FD306B9CAB7" group="com.googlecode.javaewah"/>
         <trusted-key id="019082BC00E0324E2AEF4CF00D3B328562A119A7" group="org.openjdk.jmh"/>
         <trusted-key id="04543577D6A9CC626239C50C7ECBD740FF06AEB5">
            <trusting group="com.sun.xml.bind"/>
            <trusting group="org.glassfish.jaxb"/>

release has many critical bug fixes and is safe to run in production. We're eager to stabilize our
new APIs so we can get out of alpha.

 *  New: Support Java 21's virtual threads (‘OpenJDK Project Loom’). We changed OkHttp's internals
    to use `Lock` and `Condition` instead of `synchronized` for best resource utilization.

     | Language Version:   16
     | Vendor:             Microsoft
     | Architecture:       aarch64
     | Is JDK:             true
     | Detected by:        SDKMAN!

 + OpenJDK 15-ea
     | Location:           /Users/user/customJdks/15.ea.21-open
     | Language Version:   15
     | Vendor:             AdoptOpenJDK
     | Architecture:       x86_64
     | Is JDK:             true