Question 1

Explain the significance of the pattern string used by the DecimalFormat object,and give an example of a valid pattern.

Accepted Answer

The answer of Explain the significance of the pattern string...

Question 2

What do the format specifiers d,f,e,g,s and c represent?

Accepted Answer

The answer of What do the format specifiers d,f,e,g,s and...

Question 3

If there is no loss of efficiency in importing an entire Java package instead of importing only classes you use into your program,why would you not just import the entire package?

Accepted Answer

The answer of If there is no loss of efficiency...

Question 4

Why is echoing user input a good programming practice?

Accepted Answer

The answer of Why is echoing user input a good...

Question 5

Write a complete Java console application that prompts the user for two numbers,multiplies the numbers,and then displays the result to the user.

Accepted Answer

The answer of Write a complete Java console application that...

Question 6

Write a Java program to create and display 57.32% using the DecimalFormat class.Include the necessary import statement to use the DecimalFormat class.

Accepted Answer

The answer of Write a Java program to create and...

Question 7

Write a Java statement to create and initialize a Scanner object named input.

Accepted Answer

The answer of Write a Java statement to create and...

Question 8

What does it mean to prompt the user?

Accepted Answer

The answer of What does it mean to prompt the...

Question 9

What is whitespace and why is it import when reading input from the keyboard using the Scanner class?

Accepted Answer

The answer of What is whitespace and why is it...

Quiz 2: Console Input and Output