Use of Try catch in Java for file-related operations

Source: Internet
Author: User
Tags try catch

Importjava.io.CharConversionException;Importjava.io.FileNotFoundException;ImportJava.io.FileReader;Importjava.io.IOException;/*** File Operation **/ Public classTestreadfile { Public Static voidMain (string[] args) {FileReader reader=NULL; Try{Reader=NewFileReader ("D:/java Notes/file class directory use. txt"); Charc = (Char) Reader.read (); CharC2 = (Char) Reader.read (); System.out.println ("" +c+C2); } Catch(FileNotFoundException e) {//TODO auto-generated Catch blockE.printstacktrace (); }        Catch(IOException e) {e.printstacktrace (); }finally {            Try {                if(reader!=NULL) {reader.close (); }            } Catch(IOException e) {//TODO auto-generated Catch blockE.printstacktrace (); }        }    }}

Try catch finally return execution order

1. Perform a try, catch to assign a value to the return value

2. Execute finally

3. Return

Use of Try catch in Java for file-related operations

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