Java Programming for Complete Beginners - Java 16 - Step 12 - Advanced Printing Output to Console with Java – Exercises

The video tutorial explains how to use System.out.printf in Java to print calculated values, handle exceptions, and format strings and floating-point numbers. It begins with a simple exercise of calculating and printing a sum, then explores how printf handles insufficient parameters and extra arguments. The tutorial also covers formatting strings and floating-point numbers, highlighting the importance of using correct format specifiers. The video concludes with a brief mention of applying these concepts to a multiplication table problem.

What is the result of using System.out.printf to print the sum of 5, 6, and 7?

• 567

• An error message

• 5 + 6 + 7

• 18

What happens if you use System.out.printf with more format specifiers than arguments?

• It throws an exception

• It prints default values for missing arguments

• It prints a warning message

• It ignores the extra format specifiers

If you provide more arguments than format specifiers in System.out.printf, what will occur?

• It prints an error message

• It prints all arguments

• The extra arguments are ignored

• An exception is thrown

Which format specifier should be used to print a string using System.out.printf?

• %c

• %d

• %f

• %s

What format specifier is used for printing floating-point numbers in System.out.printf?

• %s

• %f

• %i

• %d