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Language Fundamentals - Programming

Q1:

Which is a valid keyword in java?

A interface

B string

C Float

D unsigned

ANS:A - interface

interface is a valid keyword. Option B is wrong because although "String" is a class type in Java, "string" is not a keyword. Option C is wrong because "Float" is a class type. The keyword for the Java primitive is float. Option D is wrong because "unsigned" is a keyword in C/C++ but not in Java.