Preparing the Workbench
This tutorial will get you started using the C/C++ Development Toolkit (CDT) in the Workbench.
First, you will verify that the workbench is properly configured for C/C++ development. It is assumed that:
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Your Workbench has its default settings. To reset the current perspective to its original layout, from the menu bar select Window > Reset Perspective.
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You are familiar with the basic Workbench features, such as views views and perspectives
Setting the global editor operations and appearance
The main place to configure global editor-related preferences is the 
General > Editors preference pages (also accessible through the Window > Preferences menu item)
Setting the C/C++ editor operations and appearance
C/C++-specific editor preferences are under C/C++ > Editor.
They include the following:
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Editor - control the appearance of text highlighting
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Content Assist - customize the Content Assist feature
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Folding - customize folding behavior
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Hovering customize hover behavior
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Mark Occurrences - set annotations
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Save Actions - configure actions performed while saving a file
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Scalability - configure behavior for handling large source files
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Syntax Coloring - specify how C/C++ source code is rendered
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Templates - configure the format of newly generated code stubs, comments and files
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Typing - configure formatting input as you type
