Taking Control of Input/Output

February 29th, 2016

Slides

Lecture Recording

Lecture Code

• Leap Year calculator - Driver - isLeapYear(int year)
• DialogBox
• HelloWorldSwing

System.out.format

• System.out.format("control strings", output expressions);
• Common codes: %d, %f, %s, %n
• Common modifiers, e.g. %-6.2f

Scanner class

• import java.util.Scanner;
• Scanner in = new Scanner(System.in);
• int number = in.nextInt();
• other common methods: next(), nextLine(), nextDouble()

Upcoming Midterm on Monday, March 7th

• The exam will be based on the concepts highlighted in lecture from chapters 2 - 11. The in-labs and programming assignments help to reinforce this material.
• On the day of the exam, you may bring one 8.5 inch by 11 inch sheet of double-sided notes.
• To be successful on the exam, you must understand the material.
• The exam will be four single-sided pages long.
• Be prepared to demonstrate your knowledge of loops, conditional statements, and object-oriented programming in the context of small programming exercises.