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resources.report.rules.pmd.InsufficientStringBufferDeclaration.html Maven / Gradle / Ivy

InsufficientStringBufferDeclaration

Failing to pre-size a StringBuffer or StringBuilder properly could cause it to re-size many times during runtime. This rule attempts to determine the total number the characters that are actually passed into StringBuffer.append(), but represents a best guess “worst case” scenario. An empty StringBuffer/StringBuilder constructor initializes the object to 16 characters. This default is assumed if the length of the constructor can not be determined.
This rule is defined by the following Java class: net.sourceforge.pmd.lang.java.rule.strings.InsufficientStringBufferDeclarationRule
Example(s):



StringBuffer bad = new StringBuffer();
bad.append("This is a long string that will exceed the default 16 characters");
        
StringBuffer good = new StringBuffer(41);
good.append("This is a long string, which is pre-sized");