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Ch 13 page 246 Listing 13.3 Functions.tld

Should be:

int length(java.lang.String)


java.lang.int length(java.lang.String)

Reason: "int" is a primitive type, not a class with a fully qualified name

JSP 2.0 Spec, 3-24:
"Type is a basic type or a fully qualified Java class name (including package name), as per the ’Type’ production in the Java Language Specification, Second Edition, Chapter 18."

JSR-000152 JavaServer PagesTM 2.0 Specification (Final Release)

JSR-000154 JavaTM Servlet 2.4 Specification (Final Release)

JSR-000052 A Standard Tag Library for JavaServer PagesTM (Maintenance Release)