Example

public class ClassA { private OutputStreamWriter writer; public void makeWriter (OutputStream os) { writer = new OutputStreamWriter(os); //do something... } }

Solution

To avoid resource leaks, ensure that close() is invoked on every java.io.OutputStreamWriter. Note: This rule applies to any form of OutputStreamWriter constructor.

public class ClassA { private OutputStreamWriter writer; public void makeWriter (OutputStream os) { writer = new OutputStreamWriter(os); //do something... try { writer.close(); } catch(IOException ioe) { //perform exception handling } } }