The answer is a lol i just looked it up                       
        
             
        
        
        
// making the class 
class Counter {
int counter;
int limit;
// Constructor
Counter(int a, int b){
counter = a;
limit = b;
}
// static function to increment
static increment(){
if(counter<limit)
 nCounter+=1;
}
// Decrement function
void decrement(){
if(counter>0)
 nCounter-=1;
}
int getValue(){
return counter;
}
static int nCounter;
int getNCounters(){
return nCounter;
}
};
// Initializa the static 
int Counter::nCounter = 0;
 
        
             
        
        
        
If you're using google chrome if you look in the top right corner there are a button with 3 horizontal lines, click it, once you do that go down that list and click settings once you click that, hit extensions on the left side of the screen, after that you will see a list of extension you have find the extension you would like to delete and look far right to the extension and click the trash can. Once you click the trash can a pop up will appear and will say "Confirm Removal"  and under that "Remove_______" If that is the extension you would like to remove continue if not go back to finding that extension If it is click remove
        
                    
             
        
        
        
Answer:
If it on g mail you go to the spam box and then press the spammers to account and then press block and then you will block them.
 
        
                    
             
        
        
        
Incorrect data can lead to unexpected program execution results. Data entry errors can be reduced by only accepting valid input, e.g., if a number must be entered, alphabetic characters are ignored. After data validation, error messages can be prompted to the user, requiring him to enter the data again.