stringbuffer Questions

7

I am quite confused with the term 'synchronized', I've got following from java documentation. A mutable sequence of characters. This class provides an API compatible with StringBuffer, but wit...
Siddra asked 24/6, 2015 at 6:40

2

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On Java 1.7+ should we still need to convert "this string" + "should" + "be" + "joined" using StringBuffer.append for best practices?
Maxa asked 15/4, 2015 at 5:9

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Is there a way to get address of a Java object? Where the question comes from?: At First, I read properties file and all the data from file was placed into table. Properties file can update...
Reconcile asked 1/9, 2009 at 6:26

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I'm new in Java and learning Java ME development. I got stuck in this conversion. Please help me to convert StringBuffer to InputStream. Thanks!
Miser asked 10/11, 2011 at 14:19

3

How does one accomplish equivalent of running following line on command line in IntelliJ or Eclipse .... : java MyJava < SomeTextFile.txt I've attempted to provide location of the file in Pro...
Mudpack asked 18/8, 2012 at 13:3

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struct encrypt_stream : public std::stringbuf { int sync() { encrypt_buffer(); flush_to_device(); } ... private: void encrypt_buffer(); void flush_to_device(); }; I want to write this class t...
Prop asked 29/1, 2014 at 18:53

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for(int i=0;i<n;i++){ for(int j=0;j<26;j++){ if(str.charAt(i)== strChar.charAt(j) ) * strSet1.append(str.charAt(i)); } * strSet2.append(str.charAt(i)); } Exception: Exception in threa...
Grondin asked 17/11, 2013 at 19:30

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I want to implement a Comparator for StringBuffer that compares the StringBuffer and adds to TreeSet accordingly. This is purely for learning purposes only. I know having a mutable object in a Hasa...
Asterisk asked 22/8, 2013 at 21:46

6

public static void main(String[] args) { HashSet set = new HashSet(); set.add(new StringBuffer("abc")); set.add(new StringBuffer("abc")); set.add(new StringBuffer("abc")); set.add(new String...
Dichotomize asked 4/7, 2013 at 5:36

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The question I am asking is related to Difference between StringBuilder and StringBuffer but not the same. I want to see what really happens if a StringBuilder is modified by two threads at the sam...

4

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I know the difference between StringBuffer and StringBuilder. read here! And generally, as the javadoc says, Where possible, it is recommended that this class be used in preference to StringBu...

4

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When I define a StringBuffer variable with new, this string is not added to the String pool, right? Now, when I define another StringBuffer but not with new, I define it as StrPrev.append("XXX") s...
Chemisorb asked 1/4, 2013 at 15:12

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How might I, in Java, convert a StringBuffer to a byte array?
Uredium asked 4/11, 2011 at 5:41

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Why would the StringBuffer have a limit on its size? I went through some of the links : http://www.coderanch.com/t/540346/java/java/maximum-size-hold-String-buffer. Is that because of the count ...
Indiaindiaman asked 10/8, 2012 at 20:17

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In this example, StringBuffer is actually faster than StringBuilder, whereas I would have expected opposite results. Is this something to do with optimizations being made by the JIT ? Does anyone...
Ediva asked 26/10, 2012 at 7:38

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Possible Duplicate: StringBuilder and StringBuffer in Java Criteria to choose among StringBuffer and StringBuilder
Collencollenchyma asked 18/10, 2012 at 18:25

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I am trying to modify a stringbuffer of a stringstream object without having to copy a string, using the method pubsetbuf, but it is not working. I am following the documentation in http://www.cplu...
Stumble asked 18/9, 2012 at 16:47

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It is often argued that avoiding creating objects (especially in loops) is considered good practice. Then, what is most efficient regarding StringBuffer? StringBuffer sb = new StringBuffer(); Ob...
Kinser asked 23/8, 2011 at 23:51

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The differences between StringBuilder and StringBuffer in Java are well documented and have been touched upon in StackOverflow as well. Basically, StringBuilder is a non-synchronized copy of ...
Chili asked 19/3, 2012 at 3:10

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I need to get the starting position of new line when looping through a StringBuffer. Say I have the following document in a stringbuffer "This is a test Test Testing Testing" New lines exist aft...
Fiftyfifty asked 4/10, 2011 at 14:23

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what is the best practise to hold a stringbuffer length fixed in java ? That is if the fixed value is 10 and stringbuffer holds ABCDEFGHIJ, when we append K that will cause A to be cleared and resu...
Revisionism asked 18/9, 2011 at 12:19

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In the book "Effective Java", Josh Bloch says that StringBuffer is largely obsolete and should be replaced by the non-synchronized implementation 'StringBuilder' . But in my experience, I'...
Prognosis asked 21/7, 2011 at 11:4

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I'm currently trying to implement a subclass of stringbuf to allow the buffer to tokenize for specific chars ('\n' in my case) and undertake an action if this char occurs (dump the message to a log...
Bombard asked 13/6, 2011 at 13:44

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I want the text "REPLACEME" to be replaced with my StringBuffer symbols. When I print symbols, it is a valid string. When I print my query, it still has the text REPLACEME instead of symbols....
Twerp asked 31/8, 2010 at 17:36

2

Possible Duplicate: Comparing StringBuffer content with equals StringBuffer s1= new StringBuffer("Test"); StringBuffer s2 = new StringBuffer("Test"); if(s1.equals(s2)) { System.out.p...
Hunchbacked asked 3/2, 2010 at 13:9

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