Archive for October 17th, 2008
what to do for nulls
October 17th, 2008 by Jeanne BoyarskyA logical follow up to null checking in the extreme and Never return Null Arrays, is what we should be doing when a null does get returned.
The problem
Consider the following method:
public void method() {
StringBuilder builder = UnreliableCode.createBuilder();
if ( builder != null ) {
builder.append("data");
}
This time, a null check is appropriate because we can’t guarantee createBuilder() works [...]
Categories: Development Process.
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