PPT-Characters & Strings Lesson 1

CS1313 Fall 2016 1 Characters amp Strings Lesson 1 Outline Characters amp Strings Lesson 1 Outline Numeric Encoding of Nonnumeric Data 1 Numeric Encoding of Nonnumeric Data 2 Representing Characters. Comp 101. What is a String?. Basically, . a sequence of characters. Character?. Like… a letter. Or a number. Or even blank space. What is a String?. Anything can be interpreted as a string regardless of format. IDIA 618. Spring 2013. Bridget M. Blodgett. Strings on the Web. The bulk of web data is manipulated or used in some type of string form. In order to handle this PHP has significant functionality built in to deal with strings. Two ways to represent strings – i.e. “Hello”. cstring. An array with base type char. Older way of processing strings. Null character marks end of string. string. New way to process string types. Chapter 7. String Processing. Even in quantitative sciences, we often encounter letters and/or words that must be processed by code. You may want to write code that:. Reads data files that contain both . Jordi Cortadella. Department of Computer Science. Representation of characters (char). Character (. char. ). Represent letters, digits, punctuation marks and control characters.. Every character is represented by a code (integer number). There are various standard codes:. CS1313 Fall 2016. 1. Characters & Strings Lesson 2 Outline. Characters & Strings Lesson 2 Outline. Character String Declaration. Character String Terminator. How String Printing Really Works #1. CS1313 Spring 2017. 1. Character Strings Lesson . Outline. Character Strings Lesson Outline. . char. Arrays #. 1. . char. Arrays #. 2. Character . Array Example #. 1. Character . Array Example #2. You can assign text strings to MATLAB variables using single quotes. For example, . c = 'Hello';. The result is not a numeric matrix or array. . but a 1-by-5 . character array. . . Internally, the characters are stored as numbers. The class String. Contains operations to manipulate strings.. String:. Sequence of zero or more characters.. Enclosed in double quotation marks.. Is processed as a single unit .. Null or empty strings have no characters. “ “. a collection data type. can refer to a string variable as one variable or as many different components (characters). string values are delimited by either single quotes or double quotes. operators . Learn to focus and use our imagination. Use freeze frame to represent images from . the . Hobbledown. . book. What’s the focus?. You have been given a picture. In groups decide on what the focus of the picture is and what is happening/could be happening in your picture?. The class String. Contains operations to manipulate strings.. String:. Sequence of zero or more characters.. Enclosed in double quotation marks.. Is processed as a single unit .. Null or empty strings have no characters. “ “. string. Class. CS1 Lesson 10 -- John Cole. 1. Character Testing. require . cctype. header file. CS1 Lesson 10 -- John Cole. 2. Character Case Conversion. Functions:. . toupper. : if . char. argument is lowercase letter, return uppercase equivalent; otherwise, return input unchanged. 1. Lecture Content. What is a string?. Creating and Using strings. Manipulating Strings. Other String Operations. Building strings. Formatting Strings. 2. 1. . What is a string?. 3. . Strings are sequences of characters..