148 
 149     private static int getDefaultThreadPoolInitialSize() {
 150         String propValue = AccessController.doPrivileged(new
 151             GetPropertyAction(DEFAULT_THREAD_POOL_INITIAL_SIZE));
 152         if (propValue != null) {
 153             try {
 154                 return Integer.parseInt(propValue);
 155             } catch (NumberFormatException x) {
 156                 throw new Error("Value of property '" + DEFAULT_THREAD_POOL_INITIAL_SIZE +
 157                     "' is invalid: " + x);
 158             }
 159         }
 160         return -1;
 161     }
 162 
 163     private static ThreadFactory getDefaultThreadPoolThreadFactory() {
 164         String propValue = AccessController.doPrivileged(new
 165             GetPropertyAction(DEFAULT_THREAD_POOL_THREAD_FACTORY));
 166         if (propValue != null) {
 167             try {
 168                 Class<?> c = Class
 169                     .forName(propValue, true, ClassLoader.getSystemClassLoader());
 170                 return ((ThreadFactory)c.newInstance());
 171             } catch (ClassNotFoundException x) {
 172                 throw new Error(x);
 173             } catch (InstantiationException x) {
 174                 throw new Error(x);
 175             } catch (IllegalAccessException x) {
 176                 throw new Error(x);
 177             }
 178         }
 179         return null;
 180     }
 181 }

 148 
 149     private static int getDefaultThreadPoolInitialSize() {
 150         String propValue = AccessController.doPrivileged(new
 151             GetPropertyAction(DEFAULT_THREAD_POOL_INITIAL_SIZE));
 152         if (propValue != null) {
 153             try {
 154                 return Integer.parseInt(propValue);
 155             } catch (NumberFormatException x) {
 156                 throw new Error("Value of property '" + DEFAULT_THREAD_POOL_INITIAL_SIZE +
 157                     "' is invalid: " + x);
 158             }
 159         }
 160         return -1;
 161     }
 162 
 163     private static ThreadFactory getDefaultThreadPoolThreadFactory() {
 164         String propValue = AccessController.doPrivileged(new
 165             GetPropertyAction(DEFAULT_THREAD_POOL_THREAD_FACTORY));
 166         if (propValue != null) {
 167             try {
 168                 @SuppressWarnings("deprecation")
 169                 Object tmp = Class
 170                     .forName(propValue, true, ClassLoader.getSystemClassLoader()).newInstance();
 171                 return (ThreadFactory)tmp;
 172             } catch (ClassNotFoundException | InstantiationException | IllegalAccessException x) {



 173                 throw new Error(x);
 174             }
 175         }
 176         return null;
 177     }
 178 }