Memory and the number of methods in a class

if a class A has more methods than another class B, then whether instance of class A needs more memory than instance of class B? or only decided by properties?
in other words, if i put more methods into an existing class, whether it affects performance?

Non-static methods can be (abstractly) viewed as static methods:
public class Clazz {
   private int i = 0;
   public void theMethod() {
      this.i = 5;
}Is similar to
public class Clazz {
   private int i;
   public static void theMethod(Clazz this) {
      this.i = 5;
}(Note that this is by no means compilable). So if you can understand why static methods wouldn't be duplicated in memory, you can see why non-static methods don't need to be either.

Similar Messages

When I receive and answer e-mail, the correspondence is usually "nested" with the original message, and the number of replies, etc. are indicated with a number next to the original message. How can I change the mail settings so that every reply is listed

When I receive and answer e-mail, the correspondence is usually "nested" "behind" the original message, and the number of replies, etc. are indicated with a number next to the original message in the inbox. How can I change the mail settings so that every reply is listed individually in the inbox instead of having them "stacked" behind the original message. I'm afraid I might accidentially overlook messages the way they are handled now.

Somebody here will correct me if I'm wrong, but what you have to do is go into Settings, Mail/Contacts/Calendars and under Mail, turn off "Organize by Thread". I think that will make each message show individually.

Is there a connection between the performance and the number of photos?

Is there a connection between the performance of LR 4 (LR 5) and the number of photos in the catalog? Will it slow down LR with a directory of more than 40,000 images (Win7, 4 Gb RAM)?

I use lots of smart and dumb collections, lots of keywords too, also on Win7/64 though with 12Gb of Ram.
Have you read through Optimizing performance, especially running a File > Optimize. Also Performance hints is more handy for troubleshooting.
John

Moto G 2014 on Prepaid Plan? I want to switch to a Smartphone and try things out, but need a phone with 32GB of memory and the 2014 has a card for it. When will the Moto G 2014 version be available for Prepaid plans?

I want to switch to a Smartphone and try things out, but need a phone with 32GB of memory and the G 2014 has a card for it.
When will the Moto G 2014 version be available for Prepaid plans?

You can buy Applecare anytime before the 1 year warranty expires, so you could leave that to his discretion if you wanted, and he'd have 1 year to consider it.
You can save ~$30 on the mini if you qualify for an educational or corporate discount. Office 2004 costs ~$145 with educational discount.

Stored application and the ExtendedAppAttributes.isStartable() method

Hi,
According to MHP 1.1.3 sub-chapter 10.14.2 the application could be launched also when:
- not_launchable_from_broadcast is set to "1"
- is_launchable_with_older_version is set to "1"
- some older version of this application is stored (but not the current version)
So it seems that the ExtendedAppAttributes.isStartable() method shall return true in this case.
However the specification describing this method says nothing about the is_launchable_with_older_version flag. Instead of it says:
"+An Application is not startable if ... The application is signalled as not_launchable_from_broadcast and is not stored...+".
Does it mean that application is stored also when the is_launchable_with_older_version flag is set to "1" and any older version of this application is stored (but not the current version)? And the ExtendedAppAttributes.isStored() method shall return true in this case?
Or the ExtendedAppAttributes.isStartable() method has nothing common with the possibility of application launching? That is, even if it returns false the application may be launched/started by the terminal/another xlet.
Regards,
Adam Lessnau

Hi cf090,
Audit logs are stored in a hidden, dedicated arbitration mailbox. We can access them by using the ECP Auditing Reports page, the Search-AdminAuditLog or New-AdminAuditLogSearch cmdlet.
For more information, here is an article for your reference.
Overview of Administrator Audit Logging
http://technet.microsoft.com/en-us/library/dd335052(v=exchg.141).aspx
Hope it helps.
If there are any problems, please feel free to let me know.
Best regards,
Amy
Amy Wang
TechNet Community Support

Calculating the next meeting date and the number of days until that

Hi all,
I created a meeting log page and I made a query that returns the most recent meeting date:
to_char("MFR_MEETING_LOG_MAIN"."ML_MEETING_DATE",'MM/DD/YYYY')
What I want to do is to calculate the next meeting date which is 6 month after the most recent meeting and the number of days until the next meeting.
How do I do that? THank you very much for the help in advance!

Basic SQL:
Datetime/Interval Arithmetic.
ADD_MONTHS function.
If you're new to Oracle and SQL it may be advisable at this point to complete the Database 2 Day Developer's Guide.

What is the difference between partition-count and the number of caches?

What is the difference between partition-count and the number of caches in Coherence? Are they same?

Those are totally orthogonal concepts.
For more, look at this thread where I answered your other related questions and explain this, too:
Where can I find the accurate definitions of these terms?
Best regards,
Robert

Java coding standard- Number of methods in a class

Can anybody please tell me that what is the standard range for number of methods in a class. I need to refcator a very old code which contains large number of methods (50 to 100) in each class. Please help.

I got a huge screen and uses a small font ;)I have a wiiiiide screen. :D What's the maximum number of statements in a line?
I think that a method starts to get long when it's
more than 20 lines.Yepp, but I usually don't count line wraps. I'm not going to create another method for something like
if (abc == null
&& xyz == 17
&& udsfh == false
try {
whatever();
} catch (StupidExceptionA e) {
} catch (StupidExceptionB e) {
} catch (StupidExceptionC e) {
} catch (StupidExceptionD e) {
}It's annoying, but it also looks stupid to have a method that does nothing else but calling another method and catching the exceptions. That clutters the entire class.

Reg - how to find the purpose of methods in a class

hi everyone,
           can u plz help me with how to find the purpose of methods in a class???????
a description abt the methods in a class??????
                    thx in advance,
regards,
balaji.s

Hi Balaji
Pls find some stuff.
reward pts if help.
The following statements define the structure of a class:
·        A class contains components
·        Each component is assigned to a visibility section
·        Classes implement methods
The following sections describe the structure of classes in more detail.
Class Components
The components of a class make up its contents. All components are declared in the declaration part of the class. The components define the attributes of the objects in a class. When you define the class, each component is assigned to one of the three visibility sections, which define the external interface of the class. All of the components of a class are visible within the class. All components are in the same namespace. This means that all components of the class must have names that are unique within the class.
There are two kinds of components in a class - those that exist separately for each object in the class, and those that exist only once for the whole class, regardless of the number of instances. Instance-specific components are known as instance components. Components that are not instance-specific are called static components.
In ABAP Objects, classes can define the following components. Since all components that you can declare in classes can also be declared in interfaces, the following descriptions apply equally to interfaces.
Attributes
Attributes are internal data fields within a class that can have any ABAP data type. The state of an object is determined by the contents of its attributes. One kind of attribute is the reference variable. Reference variables allow you to create and address objects. Reference variables can be defined in classes, allowing you to access objects from within a class.
Instance Attributes
The contents of instance attributes define the instance-specific state of an object. You declare them using the DATAstatement.
Static Attributes
The contents of static attributes define the state of the class that is valid for all instances of the class. Static attributes exist once for each class. You declare them using the CLASS-DATA statement. They are accessible for the entire runtime of the class.
All of the objects in a class can access its static attributes. If you change a static attribute in an object, the change is visible in all other objects in the class.
The technical properties of instance attributes belong to the static properties of a class. It is therefore possible to refer in a LIKE addition to the visible attributes of a class through the class component selector or through reference variables, without prior creation of an object.
Methods
Methods are internal procedures in a class that define the behavior of an object. They can access all of the attributes of a class. This allows them to change the data content of an object. They also have a parameter interface, with which users can supply them with values when calling them, and receive values back from them The private attributes of a class can only be changed by methods in the same class.
The definition and parameter interface of a method is similar to that of function modules. You define a method meth in the definition part of a class and implement it in the implementation part using the following processing block:
METHOD meth.
ENDMETHOD.
You can declare local data types and objects in methods in the same way as in other ABAP procedures (subroutines and function modules). You call methods using the CALL METHOD statement.
Instance Methods
You declare instance methods using the METHODSstatement. They can access all of the attributes of a class, and can trigger all of the events of the class.
Static Methods
You declare static methods using the CLASS-METHODSstatement. They can only access static attributes and trigger static events.
Special Methods
As well as normal methods, which you call using CALL METHOD, there are two special methods called constructor and class_constructor that are automatically called when you create an object or when you first access the components of a class.
reward pts if help.
deepanker

Count files in Directory and the number of files in each sub directory

Hello,
I trying write a method which will start at a root of a file and count all the files in that directory. Then count all the files in each sub directory.
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
public class RunScan {
     * @param args
     public static void main(String[] args) {
          // TODO Auto-generated method stub
          File file = new File("/home/robert/count");
          File[] files = file.listFiles();
          traverse(files);
          printfiles();
     private static int totalNumFiles = 0;
     private static int totalNumDir = 0;
     private static int filePerDir = 0;
     private static int subDir = 0;
     private static void traverse(File[] files) {
for(int i = 0; i < files.length; i++) {
if(files.isDirectory()) {
     totalNumDir++;
     printDir(files[i].toString());
     traverse(files[i].listFiles());
totalNumFiles++;
filePerDir++;
     private static void printfiles(){
          System.out.println("total files "+ (totalNumFiles));
     System.out.println("totls sub dir "+ totalNumDir);
     private static void printDir(String dirName){
          System.out.println("Total Files in "+dirName+" "+filePerDir);
          filePerDir = 0;

Hint: Google "visitor pattern." This gives clues how to build a re-usable solution that can you use for future traversals that do things other than just file counts. Here's a teaser of an simple interface:
public interface TreeVisitor {
* Processes a single file or directory. <em>Tip:</em> If you want to track the number of
* items processed, this function is the best place to update a counter.
* Implementors of this method should not throw checked exceptions.
* @param item The file or directory process.
* @param depth Number of levels below top of traversal tree (0 = top of tree).
public void visit(File item, int depth);
}

When I air print from my iPad, I can't limit the number of pages. It just says print and the number of copies and I end up with way more than I want. How do I set it to limit the pages?

When I air print using FingerPrint from my ipad, it doesn't let me limit the number of pages, and I end up with more pages than I want. It asks if I want multiple copies, but it doesn't ask me number of pages, or which pages. Is there a way to do this?

When you use an AirPrint compatible printer, you get this option for page range. You are using your computer as the server in order to print, so you probably have to set the range on the computer. While you can print from your printer with this app, I assume that it doesn't give you the same control that you get directly from the iPad when using an AirPrint printer.
Read this from the FingerPrint support site. Selecting the page range would be part of the formatting of a print job.
http://fingerprint-support.collobos.com/knowledgebase/articles/66972-i-can-t-for mat-the-print-job

XMLIndex: finding indexed XPaths and the number of rows in the path table

Hi,
I am storing non-schema-based binary XMLs in an XMLType column in 11g (11.1.0.6.0) and would like to index the XMLs either partially or fully using XMLIndex. I'm expecting to have a large number (tens of millions) of XML documents and have some concerns about the size of the XMLIndex path table.
In short, I am worried that the path table might grow unmanageable large. In order to avoid this and to plan for table partitioning, I would like to create a report of all indexed XPaths in an XMLIndex and to find out how many times each path is actualized in the path table. I would do this for a representative XML sample.
I have been creating XMLIndexes with different exclude/include paths, gathering stats with DBMS_STATS (estimate_percent = 100) and selecting the number of rows in the path table through USER_TABLES.
If anyone knows a more straightforward way of doing this all advice is very much appreciated.
Best Regards,
Rasko Leinonen

Thanks Marco,
I managed to get out all indexed paths using the following SQL. It took a while to understand how the join the XDB.X$PT39CW6BJR8W4VVE0G0LLGA0OCR5 and XDB.X$QN39CW6BJR8W4VVE0G0LLGA0OCR5 tables together but got there in the end. This helps to clarify which XPaths are being currently indexed by the XMLIndex.
begin
for v_row in (select PATH from XDB.X$PT39CW6BJR8W4VVE0G0LLGA0OCR5)
loop
declare
v_i BINARY_INTEGER := 1;
v_id raw(8);
v_len BINARY_INTEGER := 2;
v_skip BINARY_INTEGER := 1;
begin
while v_i < utl_raw.length(v_row.path) and
v_i + v_len <= utl_raw.length(v_row.path)
loop
v_i := v_i + v_skip;
v_id := utl_raw.substr(v_row.path, v_i, v_len);
--dbms_output.put_line(v_id);
for v_row2 in (select LOCALNAME, flags from XDB.X$QN39CW6BJR8W4VVE0G0LLGA0OCR5
where ID = v_id )
loop
if rawtohex(v_row2.flags) = '01'
then
dbms_output.put('@');
end if;
dbms_output.put(v_row2.localname);
if v_i + v_len < utl_raw.length(v_row.path)
then
dbms_output.put('/');
end if;
end loop;
v_i := v_i + v_len;
end loop;
dbms_output.put_line('');
end;
end loop;
end;
Example output:
RUN
RUN/@accession
RUN/@alias
RUN/@instrument_model
RUN/@run_date
RUN/@run_center
RUN/@total_data_blocks
RUN/EXPERIMENT_REF
RUN/EXPERIMENT_REF/@accession
RUN/EXPERIMENT_REF/@refname
RUN/DATA_BLOCK
RUN/DATA_BLOCK/@name
RUN/DATA_BLOCK/@total_spots
RUN/DATA_BLOCK/@total_reads
RUN/DATA_BLOCK/@number_channels
RUN/DATA_BLOCK/@format_code
RUN/DATA_BLOCK/@sector
RUN/DATA_BLOCK/FILES
RUN/DATA_BLOCK/FILES/FILE
RUN/DATA_BLOCK/FILES/FILE/@filename
RUN/DATA_BLOCK/FILES/FILE/@filetype
RUN/RUN_ATTRIBUTES
RUN/RUN_ATTRIBUTES/RUN_ATTRIBUTE
RUN/RUN_ATTRIBUTES/RUN_ATTRIBUTE/TAG
RUN/RUN_ATTRIBUTES/RUN_ATTRIBUTE/VALUE

What's wrong with the built-in keyboard on my macbook? The caps button does not work rite, no matter what letter button i push they all come out capitals and the number keys when pushed display the special characters instead of the numbers!

the built-in keyboard on my macbook is not functioning right, the number keys when pushed display the special characters instead of the numbers,
the caps button doesn't work at all, the letter buttons display capitals when pushed whether the caps button is on or off, the shift keys are also out of whack!!
It seems it somehow got relocated to the "0" button because if you push and hold the zero button down the keyboard seems to operate normally, the number keys display numbers when pushed the letter keys display lower case when pushed but release the zero button and your back in the twilight zone!! Can anybody help me resolve this issue? one more thing im using an external usb keyboard right now and it seems to function properly if that helps any.

You would do better in the actual macbook pro forums (this is not).

Programmatically Changing Waveform Graph and the number of plots

I have a waveform graph that needs to display a variable number of plots based on the number of inputs. Is there a way to programmatically adjust the number of plots displayed on the waveform graph?

You need to use the Active Plot input before the Plot Name(s). Property nodes are read from top to bottom so you can alternate several pairs of ActPlot,Plot.Name;ActPlot,Plot.Name, etc. Then wire 0,1,2,etc to the ActPlot and your chosen name to the Plot.Name right under it. Or, use for loops and index the ActPlot input. See the pic.
Using LabVIEW: 7.1.1, 8.5.1 & 2013
Attachments:
plot names.JPG ‏37 KB

Re: Receiving a call and the number of rings

I cannot discover how to change the number of times my phone rings before it goes to voice mail or terminates the call. At present, it only rings twice, and that is not enough time to get the phone out of my purse, off my desk, and/or answer before the phone stops ringing. I would like for it to ring at least four times. How do I change the number of times it rings?

Hi bwil5030,
Welcome to the BlackBerry support community.
I
agree with Bifocals. For knowing your Voice Mailbox no. You can call
carriers customer service or check their web site. My storm came from
Verizon but I'm registered with some other operator. I didn't find any
voice mail number Call Log -> Options -> General Setting ->
Voice Mail -> Access No.
tanzim
If your query is resolved then please click on “Accept as Solution”
Click on the LIKE on the bottom right if the post deserves credit

Memory and the number of methods in a class

Similar Messages

Maybe you are looking for