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Core Java Pertanyaan dan Jawaban Wawancara

Test your skills through the online practice test: Core Java Quiz Online Practice Test

Ques 41. Is null a keyword?

The null value is not a keyword.

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Ques 42. Which characters may be used as the second character of an identifier,but not as the first character of an identifier?

The digits 0 through 9 may not be used as the first character of an identifier but they may be used after the first character of an identifier.

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Ques 43. Is 'abc' a primitive value?

The String literal 'abc' is not a primitive value. It is a String object.

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Ques 44. What restrictions are placed on the values of each case of a switch statement?

During compilation, the values of each case of a switch statement must evaluate to a value that can be promoted to an int value.

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Ques 45. What is the difference between a field variable and a local variable?

A field variable is a variable that is declared as a member of a class. A local variable is a variable that is declared local to a method.

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