Top "Stringbuffer" questions

Null pointer access: The variable can only be null at this location

for(int i=0;i<n;i++){ for(int j=0;j<26;j++){ if(str.charAt(i)== strChar.charAt(j) ) * …

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What is more efficient StringBuffer new() or delete(0, sb.length())?

It is often argued that avoiding creating objects (especially in loops) is considered good practice. Then, what is most efficient …

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"StringBuffer is synchronized (or thread-safe) and StringBuilder is not", why does this make StringBuffer methods slower?

After reading this - What does 'synchronized' mean? I was still unable to understand why StringBuffer would be slower than …

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Most efficient way to concatenate Strings

I was under the impression that StringBuffer is the fastest way to concatenate strings, but I saw this Stack Overflow …

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What does " StringBuilders are not thread-safe" mean?

I have read some articles about the pros and cons of String and StringBuilder in the Java Programming language. In …

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How to remove last character of string buffer in java?

I have following code, I wanted to remove last appended character from StringBuffer: StringBuffer Att = new StringBuffer(); BigDecimal qty = m_…

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Java: StringBuffer to byte[] without toString

The title says it all. Is there any way to convert from StringBuilder to byte[] without using a String in …

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How is StringBuffer used with .append

I'm doing a computer science project and I need to incorporate StringBuffers. I need help with what .append does and …

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Does the StringBuffer equals method compare content?

Possible Duplicate: Comparing StringBuffer content with equals StringBuffer s1= new StringBuffer("Test"); StringBuffer s2 = new StringBuffer("Test"); if(s1.equals(…

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How to use replaceAll() method in StringBuffer?

I need to replace multiple words in a string buffer. So I am looking for a replaceAll method in StringBuffer. …

java stringbuffer