'Number console' diaporamas de présentation

Text processing

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Text processing

Text processing. Readings: 4.4. Characters. char : A primitive type representing single characters. Individual characters inside a String are stored as char values. Literal char values are surrounded with apostrophe (single-quote) marks, such as 'a' or '4' or ' ' or '''

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while loops

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Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-4: More boolean , Assertions, do/while loops reading: 5.3, 5.4, 5.1. Type boolean. reading: 5.3. Recap: Type boolean. boolean : A logical type whose values are true and false .

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Building Java Programs

274 views • 27 slides

Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-1: while Loops, Fencepost Loops, and Sentinel Loops reading: 4.1, 5.1 self-check: Ch. 4 #2; Ch. 5 # 1-10 exercises: Ch. 4 #2, 4, 5, 8; Ch. 5 # 1-2. A deceptive problem.

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Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-2: Random Numbers reading: 5.1, 5.6. http://xkcd.com/221/. Randomness. Lack of predictability: don't know what's coming next Random process: outcomes do not follow a deterministic pattern (math, statistics, probability)

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Midterm announcements

Midterm announcements. Next week on Friday May 8 Must bring an ID Open book, open notes, closed electronics Must attend correct section unless you fill out web-site form in advance Sample exam(s) posted Friday Another sample in section next week And problems on Practice-It!

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Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-3: Assertions, do/while loops reading: 5.4 - 5.5 self-check: 22-24, 26-28. Logical assertions. assertion : A statement that is either true or false. Examples: Java was created in 1995. The sky is purple. 23 is a prime number.

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Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-3: Assertions, do/while loops reading: 5.4 - 5.5 self-check: 22-24, 26-28. Logical assertions. assertion : A statement that is either true or false. Examples: Java was created in 1995. The sky is purple. 23 is a prime number.

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Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-4: do/while loops, assertions reading: 5.1, 5.5. The do/while loop. do/while loop : Performs its test at the end of each repetition. Guarantees that the loop's {} body will run at least once. do { statement(s) ; } while ( test );

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Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-4: do/while loops, assertions reading: 5.1, 5.5. The do/while loop. do/while loop : Performs its test at the end of each repetition. Guarantees that the loop's {} body will run at least once. do { <statement(s)> ; } while ( <test> );

166 views • 16 slides

Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-4: Assertions, do/while loops reading: 5.4 - 5.5 self-check: 22-24, 26-28. Logical assertions. assertion : A statement that is either true or false. Examples: Java was created in 1995. The sky is purple. 23 is a prime number.

162 views • 16 slides

Building Java Programs

Building Java Programs. Chapter 5: Program Logic and Indefinite Loops. Lecture outline. logical assertions indefinite loop variations the do/while loop the break statement. Logical assertions. reading: 5.5. Logical assertions. assertion : A statement that is either true or false.

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Building Java Programs

Building Java Programs. Chapter 5 Lecture 5-4: Assertions reading: 5.5. Punchline to a longer comic: http://www.smbc-comics.com/index.php?db=comics&id=2362#comic. Logical assertions. assertion : A statement that is either true or false. Examples: Java was created in 1995.

116 views • 11 slides