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TryCatchFinally.java
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TryCatchFinally.java
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import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.file.ReadOnlyFileSystemException;
class UseFinally{
static void readFile() throws IOException,FileNotFoundException{
String filePath = "d:/Users/amit/Documents/JavaCodes/ExceptionHandlingDemo/src/TryCatchFinally.java";
FileInputStream fi = null;
final int EOF = -1;
try{
fi =new FileInputStream(filePath); // File Open
// Reading File Code
int singleByte = fi.read();
// if(10>2){
// System.exit(0); // in this case finally not execute
// //return;
// }
// int e = 100/0;
while(singleByte!=EOF){
System.out.print((char)singleByte);
singleByte = fi.read();
}
}
// catch(FileNotFoundException e){
// System.out.println("This file is Not Exist in this Path");
//
// }
// catch(IOException e){
// System.out.println("Can't Read the File");
// }
finally{
System.out.println("Finally Run......\n");
if(fi!=null){
try {
fi.close();
} catch (IOException e) {
System.out.println("Exception in File Close");
}
}
}
}
}
public class TryCatchFinally {
public static void main(String[] args) {
// TODO Auto-generated method stub
// finally is a block
// and this block will execute always
// finally is used for resource clean up
// Multiple Catch block (Be Specific)
try {
UseFinally.readFile();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
System.out.println("Path Not Exist "+e);
e.printStackTrace();
} catch (IOException e) {
System.out.println("Problem in File Read "+e);
// TODO Auto-generated catch block
e.printStackTrace();
}
catch(Exception e){
System.err.println("Contact to System Admin , Something MisHappen");
}
}
}