Nested class types Usage and remark Advantage Disadvantage static member classes Use for public helper class, useful only in conjunction with its outer class. (Such as the operation types of a Calculater). Save memory. Class specific. Not instance sp…
Exception Try { ... ... } catch (Exception ex) { …; throw new Throwable(ex); } catch (Throwable ex) { …; } finally { } /* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distr…