// The MIT License (MIT) // // Copyright (c) 2016 Robert C. Seacord // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. package MET12J; class baseClass { @Override protected void finalize() throws Throwable { super.finalize(); System.out.println("Superclass finalize!"); // Calls the doLogic() method, which happens to be overridden in the // SubClass. This resurrects a reference to SubClass that not only // prevents it from being garbage-collected but also prevents it // from calling its finalizer to close new resources that may have // been allocated by the called method. doLogic(); } void doLogic() throws Throwable { System.out.println("This is super-class!"); } }