A common usage of catch and finally together is to obtain and use resources in a try block, deal with exceptional circumstances in a catch block, and release the resources in the finally block.
Questions tagged [try-catch-finally]
435 questions
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1 answer
Check for array index to avoid outofbounds exception
I'm still very new to Java, so I have a feeling that I'm doing more than I need to here and would appreciate any advise as to whether there is a more proficient way to go about this. Here is what I'm trying to do:
Output the last value in the…
user2825293
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4 answers
Catch block doesn't let users continue through the program
I'm having a little difficulty with a catch block in java. Help would be very much appreciated.
do {
System.out.println ("If you want to exit the program, press 0. To continue, press 1.");
try {
returnint = Input.nextInt(); …
user2807522
1
vote
2 answers
Is needed Return value or not?, Working with try, catch and Finally: Java
I have this code:
private String Style(String Arg, Vector VctrClass) throws Exception {
if (Verify that Arg is contained into VctrClass)) {
return "Something";
} else {
throw new Exception("Error The argument required \""+Arg+"\" doesn't…
joseluisbz
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5 answers
Try Catch block in Siebel
I have a script which sends a set of records into a file. I'm using Try - Catch block to handle the exceptions. In the catch block I have a code where it has the pointer to next record. But this is not executing . Basically I wan to skip the bad…
Priya
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4 answers
What is the functionality of a "finally" block?
class Demo {
public static void main(String args[]) {
System.out.println("Start main");
try {
//exceptional code
int x=43/0;
} catch(ArithmeticException e) {
e.printStackTrace();
…
Vbabey
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1
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0 answers
Cipher AES, no error exception, but init not works
i try to cipher but my outputs after "cipher.init" won't output. Also no exceptions..and I don't know why...(new on android)
public void login() {
LoginData loginData = this.fragmentBox.getUpdatedLoginData();
String finishString =…
kurtanamo
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2 answers
good practice with try-finally in java?
I ran into a little problem today where I have a piece of code like this, which made me a little uncomfortable...
try{
//stuff...
} finally {
//finally stuff
}
I wonder if such implementation is a good practice in terms of…
lrl
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1
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1 answer
Null Pointer Exception after a 'finally' block
I get a NullPointerException at the end of this piece of code :
@Override
public final void onHandleIntent(Intent intent) {
try {
Context context = getApplicationContext();
String action = intent.getAction();
…
Romain Braun
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1
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4 answers
How we make Java Code to jump to finally
Here's the piece of code I am seeing
1 session s=null;
2 try{
3 s= SessionCreator.createSession();
4 System.out.println("Session Created");
5 s.validate();
6 }catch (Exception e){
7 e.printStackTrace();
8 }finally{
9 …
devPassions
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3 answers
Issue with Try and Catch on Android
As soon i execute the below code, the media is played for 60seconds and my app closes with an error "Unfortunately, YourAPP has stopped." . If i remove "bv.setImageResource(R.drawable.play);" on finally block, the app works perfectly.
what is the…
Sai
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1 answer
how java implements finally block
I have searched a lot to find the implementation of finally block by java implementers.
I want to know how java evaluates finally block.
Does anybody know how finally block is defined in java language?
arvin_codeHunk
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4 answers
Exception Handling Resumption Behaviour
new to StackOverFlow and fairly new to Java. Been programming in C prior to this and am trying to get the foundations of Java.
Just a bit confused about the following code:
public class Exercise5 {
private static int[] ia = new int[3];
static int x…
SeekingAlpha
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1
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5 answers
How to avoid duplicate Cursor.Current statement?
If I am turning on the WaitCursor before a processing task and then turning it back to default, I often get this pattern of code:
try {
Cursor.Current = Cursors.WaitCursor;
MyProcessingTask();
}
catch (Exception ex) {
Cursor.Current =…
CJ7
- 22,579
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1
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2 answers
Is that the best way to release SQLite connection in Java?
I need a good way to close SQLIte connections in Java. After a few suggestion by other users I decided to add to my code a finally block to be sure that closing operation are always executed.
public static boolean executeQuery(String query)
{
…
Luca
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4 answers
is it ok to dispose the dataset in finally block and then returning the dataset?
So I am taking over an existing project where the previous coder did many funny things.
What I see the most and not really understand is the following block of code
finally
{
if (conn != null)
{
conn.Close();
ds.Dispose();
…
Johan
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