Lexical Issues in Object Oriented System Design : Practice MCQ Questions & Answers with Explanations

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Identifiers are used to name classes, methods and variables.

Semicolon is most commonly used in Java program, which terminates statements.

Documentation comment is used to produce an HTML file that documents the given program.

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A constant value in Java is created by using a 'Literal Representation' of it. Integer Literals are not enclosed in quotes where as String Literals are enclosed in quotes.

As of Java 1.5 there are 50 keywords out of which 48 are used(const and goto keywords are unusable keywords).

"native" is a valid keyword used to modify method declaration. The valid keyword used in Java language for subclassing is "extends" not subclasses.

"String" and "Float" are class types in Java. "unsigned" is a keyword used in C/C++ but not in Java.