SE-1021 Software Engineering II Week 1, Day 2 Attendance Survey results: Use powerpoint Safety Review Preparation for Lab 1 More on Java fundamentals… Packages … Tomorrow: Quiz in Lab (different room) SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 1

Emergency Response Plan (1) The “ERP” document – Evacuation Map – Campus Emergency Number: ___-___-____ Telephone – Pull Stations – SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 2

Emergency Response Plan (2) Emergency Exits – Fire Extinguishers – Shelter-in-place – where is closest locking room? Indoor evacuation – Outdoor evacuation – Last person to leave should … SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 3

Binary packages The source code / class files for com.t00ter.T00t is located at... com/t00ter/T00t.java The associated webpage (not javadoc) is at More generally, t00ter.com SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 4

Course Overview Inheritance Applications of Inheritance Exception Handling File I/O SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 5

Java Fundamentals SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 6 See Week 1 Outcomes

Primitive Types byte->short-> char-> int->long->float->double 8 bits16 bits32 bits64 bits32 bits64 bits SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 7

ASCII Table SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 8

Explicit type casting: (int)a Implicit type casting: ‘a’+’b’ SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 9

System.out.println(x++) == System.out.println(x) x++ System.out.println(++x) == x++ System.out.println(x) SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 10

Short-circuit evaluation true || null.toString() String str = null; if(str.toString()) { /// } If(true || str.toString()) { /// } SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 11

Quiz Topics Syllabus Safety Content so far, e.g. Binary number ranges Packages SE-2811 Dr. Josiah Yoder Slide style: Dr. Hornick 12