IS5103 WEEK-1 QUIZE'S

WEEK-1

Q1. Which library package would you import to use NumberFormat and DecimalFormat?

A) java.text

Q2. The expression 4 + 20 / (3 - 1) ∗ 2 is evaluated to ________.

A) 24

Q3. Which of the following expressions results in a value 1?

A) 37 % 6

Q4. If x is an int and y is a float, all of the following are legal except which assignment statement?

A) x = y;

Q5. Which of the following assignment statements are incorrect?

A) 

1. i == j == k == 1;

2. i = 1 = j = 1 = k = 1;

Q6. What is y displayed in the following code?

public class Test {

public static void main(String[] args) {

int x = 1;

int y = x++ + x;

System.out.println("y is " + y);

}

} 

A) y is 3.

Q7. A Java variable is the name of a

A) data value stored in memory that can change its value but cannot change its type during the program's execution

Q8. Suppose that String name = "Frank Zappa". What will the instruction

name.toUpperCase  .replace('A', 'I'); return?

A) "FRINK ZIPPI"

Q9. What is output with the statement System.out.println(x+y); if x and y are int values where x=10 and y=5?

A) 15

Q10. The values of (double) 5 / 2 and (double) (5 / 2) are identical.

A) FALS