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CS 112 Intro to Computer Science II

CS 112 Intro to Computer Science II. Sami Rollins srollins@cs.usfca.edu Fall 2006. Administrative Information. Class web page. A bit about programming…. What do you like about programming? What do you want to learn about programming?

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CS 112 Intro to Computer Science II

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  1. CS 112Intro to Computer Science II Sami Rollins srollins@cs.usfca.edu Fall 2006

  2. Administrative Information • Class web page

  3. A bit about programming… • What do you like about programming? • What do you want to learn about programming? • What do you find most challenging with respect to programming?

  4. Java Review • What is an algorithm? • What is a class? • What is a method? • What is a variable? • How do you declare a variable? • What are the primitive data types in Java? • How does an int differ from a String? • How does a String differ from a Person object? • How do you do input/output in Java?

  5. Java Review • What is the precedence of mathematical operators in Java? • What is a package? • When do you need to use an import statement? • What happens to an object if there are no references that point to it? • What is an if statement and when might you use one? • What are the three types of loops in Java? When would you use each? • What is an iterator? • What is an array?

  6. Exercises • Problem PP2.9 - Write an application that prompts for and reads a double value representing a monetary amount. Then determine the fewest number of each bill and coin needed to represent that amount, starting with the highest (assume that a ten dollar bill is the maximum size needed). For example, if the value entered is 47.63, then the program should print the equivalent amount as: 4 tens, 1 five, 2 ones, 2 quarters, 1dime, 0 nickels, 3 pennies Write your algorithm first!

  7. Exercises • Write an application that prompts the user for an integer representing a number of rows and prints the following pattern: ***** **** *** ** *

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