PPT-Ruby Expressions & Operators

and other languages Method invocation puts yes global method of Kernel Mathsqrt 2 object Math method sqrt messagelength object message method length no args. CS1313 Fall 2015. 1. Arithmetic Expressions Lesson #1 Outline. Arithmetic Expressions Lesson #1 Outline. A Less Simple C Program #1. A Less Simple C Program #2. A Less Simple C Program #3. A Less Simple C Program #4. Dr. X. Topics. Introduction. Arithmetic Expressions. Overloaded Operators. Type Conversions. Relational and Boolean Expressions. Short-Circuit Evaluation. Assignment Statements. Mixed-Mode Assignment. Expressions and . Assignment Statements. 1-. 2. Chapter 7 Topics. Introduction. Arithmetic Expressions. Overloaded Operators. Type Conversions. Relational and Boolean Expressions. Short-Circuit Evaluation. Performing Simple Calculations with C#. Svetlin Nakov. Telerik Corporation. www.telerik.com. Table . of Contents. Operators in C. # and Operator . Precedence. Arithmetic Operators. Logical Operators. Ruby Regular Expressions. Why Learn Regular Expressions?. RegEx. are part of many programmer’s tools. vi, . grep. , PHP, Perl. They provide powerful search (via pattern matching) capabilities. Simple . Definition. “An operator is a symbol (+,-,*,/) that directs the computer to perform certain mathematical or logical manipulations and is usually used to manipulate data and variables”. Ex: a+b. Operators in C. Using Expressions. An . expression . is . typically a . single . statement that has . to be evaluated and return a . value.. Typically. , expressions are statements using . variables, . operators, and literal values. . Ruby Regular Expressions. Why Learn Regular Expressions?. RegEx. are part of many programmer’s tools. vi, . grep. , PHP, Perl. They provide powerful search (via pattern matching) capabilities. Simple regex are easy, but more advanced patterns can be created as needed (use with care, may not be efficient). ssignment. Expression syntax. An expression consists of. An atomic object, e.g. number or variable.. An . operator. (or function) applied to a collection of . operands. (or arguments) each of which are also expressions. . 1. Understand the basic structure of a program in C . . Learn the commands used in UNIX/LINUX and MS-DOS for compiling and running a program in C.. Obtain a preliminary idea of the keywords in C.. Learn the data types, variables, constants, operators, and expressions in C.. Bridges . was born on September 8 in . Tylertown, . Mississippi 1954. . Ruby . had two . brothers and one sister. She had to share one bed with . her . brothers and . sister . Ruby . was . very poor . Aalborg University. Programming. https://art.moodle.aau.dk/course/view.php?id=33. David Meredith . dave@create.aau.dk. Overview. Boolean expressions. Conditional expressions: “if”, “else”, “else if”.
Contents 1. Introduction 4 1.1 Getting started 2. Lexical structure 5 2.1 Programs 2.2 Escape sequences 2.3 Keywords 2.4 Operators 3. Basi Assignment Statements. 1-. 2. Chapter 7 Topics. Introduction. Arithmetic Expressions. Overloaded Operators. Type Conversions. Relational and Boolean Expressions. Short-Circuit Evaluation. Assignment Statements.