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getAndSetDouble
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↳ Parent: org.usfirst.frc.team3695.robot.util.Util

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package org.usfirst.frc.team3695.robot.util;
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import edu.wpi.first.wpilibj.Preferences;


            


            
                                                                                                            
                            
            
                                    
            
            

                
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/** if our code is colonial America, this class is Rhode Island */


            


            
                                                                                                            
                            
            
                                    
            
            

                
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public class Util {


            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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This looks like a utility class. You may want to hide the implict public constructor behind a private one, so the class cannot be instantiated,
                                            

                    
                                                    

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	/**


            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 *	kind of self explanatory, but with some spice


            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 *	use this mainly as a get method to retrieve values the user types into the smart dash


            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 *		(the 'Set' part is only in case the value doesn't exist, backup is a default to use and set if it isn't there)


            


            
                                                                                                            
                            
            
                                    
            
            

                
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	 */


            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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	static Preferences pref = Preferences.getInstance();


            


            
                                                                        
                            
            
                                    
            
            

                
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	public static double getAndSetDouble(String key, double backup) {


            


            
                                                                        
                            
            
                                    
            
            

                
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		if(!pref.containsKey(key)) pref.putDouble(key, backup);


            


            
                                                                        
                            
            
                                    
            
            

                
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		return pref.getDouble(key, backup);


            


            
                                                                                                            
                            
            
                                    
            
            

                
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	}


            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}


            


            
                                                        
            
                                    
            
            

                
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