import javax.management.InvalidApplicationException; //导入依赖的package包/类
/**
 * Helper method to query {@link ObjectName}s from an {@link MBeanServer}
 * based on {@link Predicate}
 * 
 * @param server
 * @param predicate
 * @return
 */
public static Set<ObjectName> queryNames(MBeanServer server, final Predicate<ObjectName> predicate) {
    @SuppressWarnings("serial")
    Set<ObjectName> registered = server.queryNames(null, new QueryExp() {
        @Override
        public void setMBeanServer(MBeanServer s) {
        }

        @Override
        public boolean apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException,
                BadAttributeValueExpException, InvalidApplicationException {
            return predicate.test(name);
        }
    });
    return registered;
}
 

import javax.management.InvalidApplicationException; //导入依赖的package包/类
/**
 * Sends a message
 * @param msg Message that shall be send
 * @throws InvalidApplicationException If the passed argument is null
 * @throws IOException In case of an error during writing the output stream
 */
public abstract void send(@NotNull String msg) throws InvalidApplicationException;