System.out.print(paid); // No, this does not print to system.out. It's part of the test
        assertEquals(paid.length(), byteArrayOutputStream.size());
        threadOutputMuxer.associateThreadWithProjectSegment(projectBuildList.get(1));
        System.out.print(in); // No, this does not print to system.out. It's part of the test

     */
    public static final String PATH_SEPARATOR = System.getProperty("path.separator");

    /**
     * <code>os.name</code> システムプロパティ。例:<code>Mac OS X</code>
     */
    public static final String OS_NAME = System.getProperty("os.name");

    /**
     * <code>java.io.tmpdir</code> システムプロパティ。例：/tmp
     */
    public static final String JAVA_IO_TMPDIR = System.getProperty("java.io.tmpdir");

    /**

        ResourceTraversalUtil.forEach(con.getJarFile(), (ResourceHandler) (path, is) -> {
            try {
                if (count < 10) {
                    System.out.println(path);
                }
                System.out.println(path);
                assertThat(path, is(notNullValue()));
                assertThat(path, path.startsWith("junit") || path.startsWith("org/junit") || path.startsWith("org/hamcrest")

      long remainingNanos = unit.toNanos(timeout);
      long end = System.nanoTime() + remainingNanos;

      while (true) {
        try {
          // CountDownLatch treats negative timeouts just like zero.
          return latch.await(remainingNanos, NANOSECONDS);
        } catch (InterruptedException e) {
          interrupted = true;
          remainingNanos = end - System.nanoTime();
        }
      }
    } finally {

 */
public class SystemProperties {
    /**
     * Thread-safe System.properties copy implementation.
     */
    public static void addSystemProperties(Properties props) {
        props.putAll(getSystemProperties());
    }

    /**
     * Returns a copy of {@link System#getProperties()} in a thread-safe manner.
     *
     * @return {@link System#getProperties()} obtained in a thread-safe manner.
     */

        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            System.out.println("test" + i);
        }
        final long sysout = System.currentTimeMillis() - start;
        start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            logger.fatal("test" + i);
        }
        final long logger = System.currentTimeMillis() - start;

    if (future.isDone()) {
      return;
    }
    long timeoutSeconds = timeoutSeconds();
    long deadline = System.nanoTime() + SECONDS.toNanos(timeoutSeconds);
    do {
      System.runFinalization();
      if (future.isDone()) {
        return;
      }
      System.gc();
      try {
        future.get(1L, SECONDS);
        return;
      } catch (CancellationException | ExecutionException ok) {

        String ver, pkgs;

        ver = System.getProperty( "java.version" );
        if( ver.startsWith( "1.1." ) || ver.startsWith( "1.2." )) {
             throw new RuntimeException( "jcifs.smb1-0.7.0b4+ requires Java 1.3 or above. You are running " + ver );
        }
        pkgs = System.getProperty( "java.protocol.handler.pkgs" );
        if( pkgs == null ) {
            System.setProperty( "java.protocol.handler.pkgs", "jcifs.smb1" );

            return 0x39;
        }

        public int retval;
        public String system_name;
        public int access_mask;
        public rpc.policy_handle handle;


        public SamrConnect2 ( String system_name, int access_mask, rpc.policy_handle handle ) {
            this.system_name = system_name;
            this.access_mask = access_mask;
            this.handle = handle;
        }

The simplicity of the dependency injection system makes **FastAPI** compatible with:

* all the relational databases
* NoSQL databases
* external packages
* external APIs
* authentication and authorization systems
* API usage monitoring systems
* response data injection systems
* etc.

## Simple and Powerful