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Noncompliant Code Example

Wiki Markup
This noncompliant code example shows integer promotion when the bit-wise OR operator is used. The byte array element is sign extended to 32 bits before it is used as an operand. If it

containd

 contained the value {{0xff}}, now it would contain {{0xffffffff}} \[[Findbugs 08|AA. Java References#Findbugs 08]\].

Code Block

bgColor	#ffcccc

int result = 0;
for(int i = 0; i < 4; i++) 
  result = ((result << 8) | b[i]);

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Wiki Markup
\[[JLS 05\|AA. Java References#JLS 05]\] 4.2.2 "Integer Operations" and 5.6 "Numeric Promotions" \[[Findbugs 08\|AA. Java References#Findbugs 08]\] "BIT: Bitwise OR of signed byte value"

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