一个可安全挂起，恢复的线程

本线程是一个自己封装的java线程，直接看代码，不懂请留言

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public abstract class CustomThread {

private Thread thread;protected boolean running = true;protected volatile boolean suspendFlag;public CustomThread() {    thread = new Thread() {        @Override        public void run() {            super.run();            threadPro();        }    };}public void suspend() {    suspendFlag = true;}public synchronized void resume() {    suspendFlag = false;    notify();}public boolean isSuspended() {    return suspendFlag;}public Thread getThread() {    return thread;}public void startThread() {    thread.start();}public boolean getActived() {    return thread.isAlive();}public void setPriority(int priority) {    thread.setPriority(priority);}public int getPriority() {    return thread.getPriority();}public long getThreadId() {    return thread.getId();}public void destory() {    running = false;}public abstract void threadPro();

}