Q10: Which of the following is not an error (either a syntax error or a logic error)?

1. Neglecting to include an action in the body of a while statement that will eventually cause the condition to become false.
2. Spelling a key word (such as while or if) with a capitalized first letter.
3. Using a condition for a while statement that is initially false.
4. An infinite loop.

Q11: How many times is the body of the loop below executed?

int counter;

counter = 1;

while ( counter < 20 )

{

// body of loop

counter = counter + 2;

} // end while

19	20
10	11

Q12: Which statement is true?

1. Dividing two integers results in integer division.
2. With integer division, any fractional part of the calculation is lost.
3. With integer division, any fractional part of the calculation is truncated.
4. All of the above.

Q13: In an expression containing values of the types int and double, the ________ values are ________ to ________ values for use in the expression.

1. int, promoted, double.
2. int, demoted, double.
3. double, promoted, int.
4. double, demoted, int.

Q14: Local variables must be ________.

1. initialized when they are declared.
2. initialized before their values are used in an expression.
3. declared and initialized in two steps.
4. declared at the top of the metho

Q15: Which statement is true?

1. A while statement cannot be nested inside another while statement.
2. An if statement cannot be nested inside another if statement.
3. A while statement cannot be nested inside an if statement.
4. None of the above is true.

Q16: Which of the following code segments does not increment val by 3:

1. val += 3:
2. val = val+1; val = val+1; val = val+1;
3. c = 3; val = val + (c == 3 ? 2 : 3);

d. All of the above increment val by 3.

Q17: What does the expression x %= 10 do?

1. Adds 10 to the value of x, and stores the result in x.
2. Divides x by 10 and stores the remainder in x.
3. Divides x by 10 and stores the integer result in x.
4. None of the above.

Q18: What is the result value of c at the end of the following code segment?

int c = 8;

c++;

++c;

c %= 5;

0	1
3	None of the

Q19: Which of the following is not a primitive type?

a. char b. float

c. String d. int

Q20: Which primitive type can hold the largest value?

a. int b. long

c. float d. double

Q21: What is the size in bits of an int?

8	16
32	64

Q22: In Java graphics, coordinate units are measured in ________.

dots.	pixels.
points.	inches.

Q23: Keyword ________ indicates the inheritance relationship.

extends super

inherits sub