What is the difference between the two statements

Assignment Help Programming Languages

Reference no: EM13764882

1 Which of the following are legal identifiers? Why?

Greeting1

void

104IT

IT104

Hello,

World

Hello3World

2 Construct a logical expression to represent each of the following

conditions:

a. x is between 3 and 15 but not equal to 10.

b. x is between 10 and 20 but not odd.

c. y is divisible by 5 but not by 40.

d. str is a lowercase or uppercase letter.

3 What is the difference between the following two statements?

a. if (n > 2) { if (n < 6) System.out.println("Done!"); }

else System.out.println("Error");

b. if (n > 2) { if (n < 6) System.out.println("Done!");

else System.out.println("Error"); }

4 What is the difference between the result of the following two statements?

a. int cents = (int)(100 * price + 0.5);

b. int cents = (100 * price + 0.5);

Reference no: EM13764882

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