Exam 2: Fundamental Data Types

Assuming that the user inputs a value of 30 for the price and 10 for the discount rate in the following code snippet, what is the output? Scanner in = new Scanner(System.in); System.out.print("Enter the price: "); Double price = in.nextDouble(); System.out.print("Enter the discount rate: "); Double discount = in.nextDouble(); System.out.print("The new price is "); System.out.println(price - price * (discount / 100.0));

What is the output of the following statement sequence? Public static void main(String[] args) { Int x = 100.0 % 6.0; System.out.println(x); }

Which one of the following statements can be used to extract the last 10 characters from the string variable str?

Which of the following options declares a float variable?

What is the value inside the value variable at the end of the given code snippet? Public static void main(String[] args) { Int value = 3; Value = value - 2 * value; Value++; }

Which of the following is the Java equivalent of the following mathematical expression? P = 2 . $\pi$ .(radius)³

Which one of the following is a correct method for defining and initializing an integer variable with name value?

In an airline reservation system, the cost of an airline ticket is required. Which data type should be used to store this value?

What is the output of the following code snippet? Public static void main(String[] args) { Double a; A = Math.sqrt(9.0) + Math.sqrt(16.0); System.out.println(a); }

What is the output of the following code snippet? Public static void main(String[] args) { Int value = 3; Value++; System.out.println(value); }

Assuming that the user inputs "Joe" at the prompt, what is the output of the following code snippet? Public static void main(String[] args) { System.out.print("Enter your name "); String name; Scanner in = new Scanner(System.in); Name = in.next(); Name += ", Good morning"; System.out.print(name); }

What is the result of the following code snippet? Public static void main(String[] args) { Double circleRadius; Double circleVolume = 22 / 7 * circleRadius * circleRadius; System.out.println(circleVolume); }

Which one of the following statements can be used to extract the last five characters from any string variable str?

What is the output of this code snippet? Int sum = 22; Sum = sum + 2; System.out.print(sum); // sum = sum + 4; System.out.print(sum);

Which statement is true?

Assuming that the user inputs a value of 25000 for the pay and 10 for the bonus rate in the following code snippet, what is the output? Public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Enter the pay: "); Double pay = in.nextDouble(); System.out.print("Enter the bonus rate: "); Double bonus = in.nextDouble(); System.out.println("The new pay is " + (pay + pay * (bonus / 100.0))); }

The problem solving process emphasizes a "first, do-it-by-hand" approach because

What is the result of the following statement? String s = "You" + "had" + "me" + "at" + "hello";

Which one of the following statements can be used to get the fifth character from a string str?

Which of the following statements is correct about constants?