SEI CERT Oracle Coding Standard for Java

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changes.mady.by.user Masaki Kubo

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Use a variable of type int to capture the return value of the byte input method. When the value returned by read() is not -1, it can be safely cast to type byte. When read() returns 0XFF 0x000000FF, the comparison will test 0x000000FF against 0xFFFFFFFF and fail, which evaluates to false.

Code Block
bgColor#ccccff
FileInputStream in;
// initialize stream 
int inbuff;
byte data;
while ((inbuff = in.read()) != -1) { 
  data = (byte) inbuff;
  // ...  
}

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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="c09dfc1f9cc09f13-99f331be-459e4473-b624a515-1420b1e6f44ba249f7dedaf7"><ac:plain-text-body><![CDATA[

[[API 2006

AA. Bibliography#API 06]]

Class InputStream

]]></ac:plain-text-body></ac:structured-macro>

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="855b05c42c32c043-df5c9609-4b1c4215-90328e22-a403b38ece368ce4a7ebb238"><ac:plain-text-body><![CDATA[

[[JLS 2005

AA. Bibliography#JLS 05]]

[§4.2

http://java.sun.com/docs/books/jls/third_edition/html/typesValues.html#4.2] "Primitive Types and Values"

]]></ac:plain-text-body></ac:structured-macro>

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="f969cd36bfdbeca3-97c294e4-44b64ac4-8c55bab5-91a6495608829076852c2813"><ac:plain-text-body><![CDATA[

[[Pugh 2008

AA. Bibliography#Pugh 08]]

"Waiting for the end"

]]></ac:plain-text-body></ac:structured-macro>

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