Which of the following identifiers are valid? Which are Java keywords? miles, Te

Question

Which of the following identifiers are valid? Which are Java keywords? miles, Test, a++, 4#R, $4, #44, apps class, int, x 0.5 Marks Learning Outcome(s):
Identify and fixing the errors in Java program

Which of the following identifiers are valid? Which are Java keywords? miles, Test, a++, 4#R, $4, #44, apps class, int, x 0.5 Marks Learning Outcome(s):
Identify and fixing the errors in Java program

Which of the following identifiers are valid? Which are Java keywords? miles, Test, a++, 4#R, $4, #44, apps class, int, x 0.5 Marks Learning Outcome(s):
Identify and fixing the errors in Java program

Explanation / Answer

miles is a valid identifier because it starts with the alphabet.

Test is a valid identifier.

a++ is not a valid identifier.

4#R is not a valid identifier since it starts with a number.

$4 is not a valid identifier since it starts with special symbol

#44 is not a valid identifier since it starts with special symbol

apps is a valid identifier

class is keyword in java

int is a keyword in java

x is a valid identifier

0.5Marks is not valid identifier since it starts with number

Learning Outcome(s): is not a valid identifier. Space is not allowed.

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