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# Class Notes for Information Technology at York University

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##### ITEC 1620 Lecture Notes - Lecture 3: Semicolon

ITEC 1620M, W2019 Assignment One Due: 28th Jan., Before Class 1. Categorize each of the following situations as a compile-time error, run-time error, or logical error. (a) multiplying two numbers when you meant to add them...

Information Technology
ITEC 1620
Xing Tan
##### ITEC 1620 Lecture 3: Data and expressions

Data and expressions Objectives: Use of Strings and concatenation. Declarations and use of variables What is a string? A string in Java is anything that is enclosed in two double quotations. It can be both numbers, letters...

Information Technology
ITEC 1620
Rares Pateanu
##### ITEC 1000 Lecture Notes - Lecture 2: Binary Number, Negative Number, Ebcdic Exam

11142018 AP APITEC1000 Sections A and B Introduction to Information T echnologies Fall 2018 Assignment 2 Answers and Solutions 1) a) Convert 122 to its binary represen10t= 01111012 . Positive numbers are always represente...

Information Technology
ITEC 1000
Peter Khaiter
##### ITEC 1000 Lecture Notes - Lecture 1: Octal Exam

11142018 A1Solutions APITEC1000 Sections A and B Introduction to Information Technologies Fall 2018 Assignment 1 Answers and Solutions 1.a 3719 10= 1110100001112because 3719 2 = 1859 remainder 1 1859 2 = 929 remainder 1 9...

Information Technology
ITEC 1000
Peter Khaiter
##### ITEC 1620 Lecture Notes - Lecture 3: Negative Number, Felix Unger Exam

ITEC 1620 Assignment Three 1. What output is produced by the following code fragment? int limit = 100, num1 = 15, num2 = 40; if (limit <= limit){ if (num1 == num2) System.out.println(lemon); System.out.println(lime); } Sys...

Information Technology
ITEC 1620
Xing Tan
##### ITEC 1620 Lecture Notes - Lecture 2: Purple Cow, Seth Godin Exam

ITEC 1620 Assignment Two: Solution 1. Write a declaration for a String variable called change and initialize it to the characters stored in another String object called original with all e characters changed to j. Solu...

Information Technology
ITEC 1620
Xing Tan
##### ITEC 1620 Lecture Notes - Lecture 1: Semicolon Exam

ITEC 1620 Assignment One - Soln 1. Categorize each of the following situations as a compile-time error, run-time error, or logical error. (a) multiplying two numbers when you meant to add them A logical error. (b) dividing...

Information Technology
ITEC 1620
Xing Tan
##### ITEC 1000 Lecture 5: Floating numbers

Information Technology
ITEC 1000
Peter Khaiter
##### ITEC 1000 Lecture 6: CPU and memory

Information Technology
ITEC 1000
Peter Khaiter
##### ITEC 1000 Lecture 1: General system theory

Information Technology
ITEC 1000
Peter Khaiter
##### ITEC 1000 Lecture 4: Number representation

Information Technology
ITEC 1000
Peter Khaiter
##### ITEC 1000 Lecture 7: Instruction Addressing and Programming Tools

Information Technology
ITEC 1000
Peter Khaiter
##### ITEC 1620 Lecture 3: Conditionals

Conditionals (Chapter 5 and 6) Flow of Control one after anotherotherwise, the order of statement execution through a method is linear: Some programming statements allow us to make decisions and perform rep...

Information Technology
ITEC 1620
##### ITEC 1620 Lecture Notes - Lecture 2: Java Class Library, String Literal, Wildcard Character

Using Classes and Objects (Ch.3) Chapter 3 focuses on: object creation and object references the String class and its methods the Java API class library the Random and Math classes ...

Information Technology
ITEC 1620
##### ITEC 1620 Lecture Notes - Lecture 1: String Literal, Operand, Richard Tomlinson

Data and Expressions (Ch.2) Chapter 2 focuses on: character strings primitive data the declaration and use of variables expressions and operator precedence data conversions accepting input from the user Java applets -> ITE...

Information Technology
ITEC 1620
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