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Class Notes for Computer-Science at Central Connecticut State University

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CS 151 Lecture 12: Sections 5.5-5.6
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5.5 Iterators An iterator is an object that has methods that allow you to process a collection of items one at a time lets you step through each item and interact with it as needed Repetitive process, closely related to th...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture 11: Sections 5.3-5.4
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5.3 Comparing Data Comparing Floats Two floating point values are equal, according to the == operator, only if all the binary digits of their underlying representations match you should rarely use the equality operator (==...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture 10: Sections 5.1-5.2
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5.1 Boolean Expressions The order in which statements are executed in a running program is called the flow of control Unless otherwise specified, the execution of a program proceeds in a linear fashion a running program st...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture 9: Sections 4.4-4.5
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4.4 Anatomy of a Method Method declaration specifies the code that is executed when a method is invoked When a method is called, the flow of control transfers to that method If the calledinvoked method is part of the same ...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture 8: Sections 4.1-4.3
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4.1 Classes and Objects Revisited an object has a state, which is defined by the values of the attributes associated with that object In Java, an objects attributes are defined by variables declared within a class An objec...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture Notes - Lecture 7: Pseudorandom Number Generator, Printf Format String, Glider Competition Classes
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find more resources at oneclass.com 3.3 Packages ● Class library: set of classes that supports the development of programs, made up of several cluster of related classes (Java APIs (app. Programming interf...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture Notes - Lecture 6: Standard Streams, String Literal
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find more resources at oneclass.com 2.5 Data Conversion ● A conversion between one primitive type and another falls into one of two categories: widening conversions and narrowing conversions ○ W...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture Notes - Lecture 5: Boolean Data Type, Floating Points, Floating Point
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find more resources at oneclass.com 2.3 Primitive Data Types ● Eight primitive data types: four subsets of integers, two subsets of floating point numbers, a character data type, and a boolean data type ...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture Notes - Lecture 4: Concatenation, String Literal
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find more resources at oneclass.com Chapter 2: Data and Expressions 2.1 Character Strings ● Character string: series of ordered characters. Represented in Java using the String class and string literals su...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture Notes - Lecture 3: Java Bytecode, Java Virtual Machine, Graphical User Interface
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find more resources at oneclass.com 1.5 Program Development ● Programming Language Levels ○ Programming languages can be categorized into four groups ○ Machine language: native language of a...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture Notes - Lecture 2: Html, Web Server, File Server
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find more resources at oneclass.com 1.3 Networks ● KEY CONCEPT: A network consists of two or more computers connected together so that they can exchange information. ● File server: dedicated to storin...

Computer-Science
CS 151
Bradley P.Kjell
CS 151 Lecture Notes - Lecture 1: Petabyte, Touchscreen, System Time
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1.1 Computer Processing ● KEY CONCEPT: A computer system consists of hardware and software that work in concert to help us solve problems. ● Hardware components: the physical, tangible components that sup...

Computer-Science
CS 151
Bradley P.Kjell

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