class NamedThreadFactory implements ThreadFactory {
    private static final AtomicInteger POOL_SEQ = new AtomicInteger(1);

    private final AtomicInteger mThreadNum = new AtomicInteger(1);

    private final String mPrefix;

    private final boolean mDaemo;

    private final ThreadGroup mGroup;

    public NamedThreadFactory() {
        this("pool-" + POOL_SEQ.getAndIncrement(), false);
    }

    public NamedThreadFactory(String prefix) {
        this(prefix, false);
    }

    public NamedThreadFactory(String prefix, boolean daemo) {
        mPrefix = prefix + "-thread-";
        mDaemo = daemo;
        SecurityManager s = System.getSecurityManager();
        mGroup = (s == null) ? Thread.currentThread().getThreadGroup() : s.getThreadGroup();
    }

    public Thread newThread(Runnable runnable) {<FILL_FUNCTION_BODY>}

    public ThreadGroup getThreadGroup() {
        return mGroup;
    }

    public String getThreadPoolName() {
        return mPrefix;
    }

}

        String name = mPrefix + mThreadNum.getAndIncrement();
        Thread ret = new Thread(mGroup, runnable, name, 0);
        ret.setDaemon(mDaemo);
        return ret;
    
<no_super_class>