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Exam 2: Basic Elements of Java

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Question 31

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The value of a variable may change during program execution.

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Question 32

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An operator that has only one operand is called a unique operator.

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Question 33

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The character sequence \n moves the insertion point at the end of the current line.

Which of the following statements about a named constant is NOT true?

The value of the expression 14 % 3 is ____.

Suppose console is a Scanner object initialized with the standard input device. The expression console.nextInt(); is used to read one int value and the expression console.nextDouble(); is used to read two int values.

Suppose that alpha and beta are int variables. The statement alpha = --beta; is equivalent to the statement(s) ____.

Given Char ch; Int num; Double pay; Which of the following assignment statements are valid? (i) ch = ' * ' ; (ii) pay = num * pay; (iii) rate * 40 = pay;

If ++x is used in an expression, first the expression is evaluated, and then the value of x is incremented by 1.

Which of the following is a valid char value?