public void testUsAscii() {
    assertEquals(Charset.forName("US-ASCII"), Charsets.US_ASCII);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testIso88591() {
    assertEquals(Charset.forName("ISO-8859-1"), Charsets.ISO_8859_1);
  }

  public void testUtf8() {
    assertEquals(Charset.forName("UTF-8"), Charsets.UTF_8);
  }

  @J2ktIncompatible

    try {
      Class.forName("java.nio.file.Path");
      return new JavaNioCreator();
    } catch (ClassNotFoundException runningUnderAndroid) {
      // Try another way.
    }

    try {
      int version = (int) Class.forName("android.os.Build$VERSION").getField("SDK_INT").get(null);
      int jellyBean =
          (int) Class.forName("android.os.Build$VERSION_CODES").getField("JELLY_BEAN").get(null);

                    isCollection = Collection.class.isAssignableFrom(Class.forName(param.getType()));
                    isMap = Map.class.isAssignableFrom(Class.forName(param.getType()));
                    isProperties = Properties.class.isAssignableFrom(Class.forName(param.getType()));
                } catch (ClassNotFoundException e) {

        Method inquireSecContextPrep = null;
        Object inquireTypeSessionKeyPrep = null;

        try {
            extendedGSSContextClassPrep = Class.forName(OPENJDK_JGSS_EXT_GSSCTX_CLASS);
            Class<?> inquireTypeClass = Class.forName(OPENJDK_JGSS_INQUIRE_TYPE_CLASS);
            inquireTypeSessionKeyPrep = getSessionKeyInquireType(inquireTypeClass);

     * @throws ClassNotFoundRuntimeException
     *             If the class cannot be found
     * @see Class#forName(String, boolean, ClassLoader)
     */
    public static <T> Class<T> forName(final String className) throws ClassNotFoundRuntimeException {
        assertArgumentNotEmpty("className", className);

        return forName(className, Thread.currentThread().getContextClassLoader());
    }

    /**

        assertThrows(NullPointerException.class, () -> Class.forName(null));
    }

    @Test
    @DisplayName("Happy path: class is loadable via fully qualified name")
    void testClassForName() throws Exception {
        // Act
        Class<?> c = Class.forName("jcifs.smb.SessionSetupHandler");

        // Assert
        assertEquals(SessionSetupHandler.class, c);

      try {
        val sslSocketClass = Class.forName("$packageName.OpenSSLSocketImpl") as Class<in SSLSocket>
        val sslSocketFactoryClass =
          Class.forName("$packageName.OpenSSLSocketFactoryImpl") as Class<in SSLSocketFactory>
        val paramsClass = Class.forName("$packageName.SSLParametersImpl")

                    try {
                        Class handlerClass = null;
                        try {
                            handlerClass = Class.forName(className);
                        } catch (final Exception ex) {}
                        if (handlerClass == null) {
                            handlerClass = ClassLoader.getSystemClassLoader().loadClass(className);

      try {
        val alpnClassName = "org.eclipse.jetty.alpn.ALPN"
        val alpnClass = Class.forName(alpnClassName, true, null)
        val providerClass = Class.forName("$alpnClassName\$Provider", true, null)
        val clientProviderClass = Class.forName("$alpnClassName\$ClientProvider", true, null)
        val serverProviderClass = Class.forName("$alpnClassName\$ServerProvider", true, null)

    }

    protected void setupServletFileUpload(final JakartaServletDiskFileUpload upload, final HttpServletRequest request) {
        upload.setHeaderCharset(Charset.forName(request.getCharacterEncoding()));
        upload.setSizeMax(getSizeMax());
        upload.setFileCountMax(getFileCountMax()); // since commons-fileupload-1.5
    }

    protected long getSizeMax() {