1. How to rewrite this block of code using a StringBuilder in Java? stackoverflow.comGiven a word, I've to replace some specific alphabets with some specific letters such as 1 for a, 5 for b etc. I'm using regex for this. I understand that StringBuilder ... | |||||||||||
2. Java StringBuilder huge overhead stackoverflow.comI read somewhere that the Java StringBuilder uses around 1 mb for 500 characters. Is this true and if so, isn't that a bit extreme? Is the StringBuilder doing some incredible ... | |||||||||||
3. Most efficient solution for reading CLOB to String, and String to CLOB in Java? stackoverflow.comI have a big CLOB (more than 32kB) that I want to read to a String, using StringBuilder. How do I do this in the most efficient way? I can not ... | |||||||||||
4. Scoping a StringBuilder inside a for loop stackoverflow.comWhen would you ever want to scope a String Builder inside a for loop? Sample Code:
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5. String Object. Clarification needed stackoverflow.comGuys, help me clarify. Say i have the following line in my program:
In the case above where jobSetupErrors is a StringBuilder(), what i see happen is:
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6. Gracefully remove "\n" delimiter after last String within StringBuilder stackoverflow.comHave following Java code,that creates
It's occurred,that after last String(line) had "\n" symbol.
How to gracefully remove last "\n" from resulting StringBuilder ... | |||||||||||
7. Stuck on my Java homework -- Hangman game with StringBuilder -- help? stackoverflow.com*NOTE: I AM NOT ASKING YOU TO DO MY HOMEWORK. I am just stuck. I am designing a Hangman class right now. Apparently, we need three StringBuilders (a) one to display hyphens: ... | |||||||||||
8. How to clear/empty Java Stringbuilder stackoverflow.comI'm using a StringBuilder in a loop and every x iterations I want to empty it and start with an empty | |||||||||||
9. Why StringBuilder when there is String? stackoverflow.comI just encountered | |||||||||||
10. Passing and Returning StringBuilders: Java stackoverflow.comI was referred to this site by a friend. I like that I was able to look at some similar threads before I started this thread. Unfortunately, I didn't ... | |||||||||||
11. Where are Stringbuilder objects created? stackoverflow.comStrings are immutable because they are stored in a constant string pool. So, where are stringbuilder objects created ? Say, I create two string builder objects
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12. StringBuilder vs Ropes stackoverflow.comGood morning, I am writing a language parser, and am looking for the best structure to use for a rollback cache which currently does the following:
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13. How to search in reverse order using String or StringBuilder in Java? stackoverflow.comCan you please tell me how to search in reveres order (backward search) in Java? I need to do same for searching in HTML file as text. | |||||||||||
14. Passing values between methods stackoverflow.comI've got method where I read value into variable
Then I have method where I build a String using StringBuilder
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15. inject bytecode into java.lang.StringBuilder stackoverflow.comI'm doing some experiment with StringBuilder, and I intend to inject some bytecode into the class using ASM. But I could not find the location of the class. Can anyone point ... | |||||||||||
16. Difference between String and StringBuilder and their internal organization stackoverflow.comThis is a very basic question. The extent of the answer i know to it is that Strings are immutable. Stringbuilders are not, so you can append characters at the end. So ... | |||||||||||
17. No reverse method in String class in Java? stackoverflow.comWhy there is no reverse method in | |||||||||||
18. When should we change a String to a Stringbuilder? stackoverflow.comIn an application a String is a often used data type. What we know, is that the mutation of a String uses lots of memory. So what we can do is ... | |||||||||||
19. how to get the String from StringBuilder fast? stackoverflow.comI have a feeling that using the: StringBuilder.toString() is slow and very resource-consuming.. So I'm thinking about something like this:
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20. Use StringBuilder or String in the following case? stackoverflow.com
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21. Java string concat in stringbuilder call stackoverflow.comAs far as I know, StringBuilder helps to reduce memory usage by not creating temporary string instances in the string pool during concats. But, what happens if I do sth like this:
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22. what is the difference between using StringBuilder instead String stackoverflow.comPossible Duplicate:what is the difference (advantages, disadvantages) between using StringBuilder instead String
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23. What is so good about StringBuilders? stackoverflow.comPossible Duplicate:Why are StringBuilders better to use than normal String Concatenation? | |||||||||||
24. java: string builder stackoverflow.comI want to append , to a string builder if the variable a is less than the length of array | |||||||||||
25. Can StringBuilder Methods be usable in JCreator? bytes.com | |||||||||||
26. StringBuilder and String coderanch.comI understand the difference between the two but I have always used Strings in my code instead of StringBuilders. I am wondering how to set a stringbuilder object = a new string, not to append, not to insert, but to set it to a new string without the overhead of creating another object. for example, with strings I would have done: ... | |||||||||||
27. Using StringBuilder in loop coderanch.comI am trying to loop through a string type field from a recordset that I am extracting where if the length of the string value is less than 6 then pad the value with a "0" (zero). Sometimes the value may a length of 2, 3, 4 or 5 and I am needing the amount of zeros to bring the length ... | |||||||||||
28. Unwanted StringBuilder reference at runtime coderanch.comThanks Henry for your reply. Ohh I see, some how I am using ver 5 ? Here is my results. What is teh difference between javac -J-version and java -version ? One is compiler and another is for JAVA ? How can I use 1.4 for both compiling and running ? Thanks very much for your reply. java version "1.4.2_12" ============================= ... | |||||||||||
29. Why should we use StringBuilder? coderanch.comwho do you think wrote the javadocs but programmers? The class was probably created because of feedback from programmers. One of our goals here is to teach people to be better programmers, and not just hand them the answers. One of the ways to become a better programmer is to learn to read the documentation. If, after reading it, you have ... | |||||||||||
30. Inserting break tag in a StringBuilder coderanch.com | |||||||||||
31. insert() in StringBuilder coderanch.comStringBuilder sb = new StringBuilder("01234567"); sb.insert(4, "---"); System.out.println(sb); // output is 0123---4567. Here the first argument is zero based ? I read this "The string passed into the second argument is inserted into the original StringBuilder starting at the offset location represented by the first argument(the offset is zero-based). " As per the above ouput how is it zero based ??? ... | |||||||||||
32. Stringbuilder insight coderanch.comThis code snippet gives me the result of StringBuilder.codePointAt() for numbers 0 to 9: StringBuilder sb = new StringBuilder(myCode); for (int i = 0; i < 10; i++) { Integer cp = new Integer(sb.codePointAt(i)); System.out.println(i + ": " + cp); } However, whilst my output displays numeric codes, an article on Wikipedia, shows different values , any idea what the codePointAt() ... | |||||||||||
33. StringBuilder java-forums.org | |||||||||||
34. StringBuilder while loop problem java-forums.orgHow would you do this "by hand" without using a computer? Pretend you have a friend who has no idea how to do this- what steps would you tell him to do? When you have those steps written out in English, you'll have an algorithm that should be pretty simple to convert to code. | |||||||||||
35. StringBuilder java-forums.org | |||||||||||
36. ensureCapacity in StringBuilder forums.oracle.com | |||||||||||
37. StringBuilder to String. forums.oracle.com | |||||||||||
38. javac compiler Error - cannot resolve symbol - symbol StringBuilder? forums.oracle.com$/opt/java1.4/bin/javac CharSequenceDemo.java CharSequenceDemo.java:38: cannot resolve symbol symbol : class StringBuilder location: class CharSequenceDemo StringBuilder sub = ^ CharSequenceDemo.java:39: cannot resolve symbol symbol : class StringBuilder location: class CharSequenceDemo new StringBuilder(s.subSequence(fromEnd(end), fromEnd(start))); ^ CharSequenceDemo.java:44: cannot resolve symbol symbol : class StringBuilder location: class CharSequenceDemo StringBuilder s = new StringBuilder(this.s); ^ CharSequenceDemo.java:44: cannot resolve symbol symbol : class StringBuilder location: class CharSequenceDemo StringBuilder ... | |||||||||||
39. Why StringBuilder? forums.oracle.com | |||||||||||
40. StringBuilder issues forums.oracle.com | |||||||||||
41. StringBuilder forums.oracle.com | |||||||||||
42. StringBuilder() forums.oracle.comSorry, I've realised just now a thing on StringBuilder that I don't want to tell to you because you'll probaably fool me even more. BTW, in the light of what I wrote here above, what's better to use Strinbuilder or just a String; don't know where/what is the border between them. thanks | |||||||||||
43. How to sort elements of a StringBuilder? forums.oracle.comIf you have a sequence of characters or Strings, and you want to use that sequence as a List (in particular, sorting it), you're probably better off just using a List | |||||||||||
44. Split StringBuilder into String lines forums.oracle.comThere is a point becouse I need to put that Sring to database table. I'm creating program which crawls the web URL and store its content to database table. And the I need to read it from database, but I only can get String if I add it to StringBuffer, that is why I need to split it into lines and ... | |||||||||||
45. StringBuilder in 1.4 forums.oracle.comkarl_childers wrote: Why does this even compile? I am using javac 1.6.0_13 with target/source = 1.4 to compile. I end up with a version=48.0 class file using StringBuilder. This should not be possible because StringBuilder should only be seen in version=49.0 and above. Is this a compiler bug? At runtime, this creates a java.lang.NoClassDefFoundError when run in a 1.4.2 jre. However, ... | |||||||||||
46. StringBuilder trim forums.oracle.com | |||||||||||
47. StringBuilder crossing a 64K bountry forums.oracle.comI am generating a very large report using the StringBuilder approx 700k characters. At each 64k boundary the characters it breaks up the data and adds a "" in to the string. 48. Bug in StringBuilder and its setLength ? forums.oracle.comI was simply not used to this behaviour regarding '\0' when appending to some string. I see you are a moderator - Do you have rights/influence to add e.g. a warning to the javadoc of StringBuilder so people get a warning when reading about using setLength and/or afterwards appending? I guess I am not the only one able to make this ... 49. Why is there no efficient StringBuilder to String method? forums.oracle.comAs I recall, there were some optimizations built in originally to avoid needless copying, but they didn't work out. We had always been advised to discard a StringBuffer once we had called toString() on it, and if we needed to do more work, create a new one. But the premature-optimization reflex was too strong. People came up with various tricks to ... 50. StringBuilder Usage forums.oracle.com51. Quick StringBuilder question forums.oracle.comHi everybody, This doesn't seem to be in the StringBuilder API, but I'm sure there must be a way to do this--can anyone tell me how to get the last index of a specific character before a specified index? So, it would be like this: Thisisastring So, if I wanted to find the last index of 'T' before index 1, I ... 52. point to using StringBuilders forums.oracle.com53. MessageFormat vs StringBuilder forums.oracle.comNo way to answer that question. You'll have to test the two approaches in your particular situation. Although I wouldn't even worry about it until you have properly profiled your application and this is shown to be the cause of any performance problems you might have. Until then, go for whatever code most clearly matches the intent and purpose of the ... 54. StringBuilder and normal Strings forums.oracle.comAn implementation may choose to perform conversion and concatenation in one step to avoid creating and then discarding an intermediate String object. To increase the performance of repeated string concatenation, a Java compiler may use the StringBuffer class or a similar technique to reduce the number of intermediate String objects that are created by evaluation of an expression. 55. StringBuilder API question forums.oracle.com56. wan about StringBuilder forums.oracle.comHello Java Community, I just want to know about StringBuilder... is this feature is really there in java api... who flexiable it when related to StringBufffer.... The second one is AutoBoxing how it improves the effiency of the code.... and how it be effictly used ... can any one please said about these two features please...... 57. StringBuilder insert question forums.oracle.comThat's not in your code yet, but yeah, if you want to display the factors only if it's perfect, then, yes, you'll need to store them somewhere. You could still use the SB only for the display, and do the summing without it. But even then, you'll presumably want to display it as "5 14" rather than "514", so, as I ... 58. CodePoints in StringBuilder forums.oracle.com |