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AP® Computer Science A

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Moderate

Documenting a Method by Using Comments

APCSA-GFXEPF

Consider the following method in a Tractor class.

public int calcWeight(int body, int scraper, int roof)
{
     int weight = body + scraper + roof;
     return weight;
}

Which of the following techniques would be BEST for documenting this method?

A
/*
* Calculates the weight of tractor by adding
* weights of all the features and modifications
*/
public int calcWeight(int body, int scraper, int roof)
{
     int weight = body + scraper + roof;
     return weight;
}
B
// Calculates the weight of tractor by adding
// weights of all the features and modifications
public int calcWeight(int body, int scraper, int roof)
{
     int weight = body + scraper + roof;
     return weight;
}
C
/**
 * Calculates the weight of tractor by adding
 * weights of all the features and modifications
 *
 * @param body weight of tractor's main body
 * @param scraper weight of scraper attachment
 * @param roof weight of optional roof
 * @return total weight of the tractor and attachments
 */
public int calcWeight(int body, int scraper, int roof)
{
     int weight = body + scraper + roof;
     return weight;
}
D
/*
 * Calculates the weight of tractor by adding
 * weights of all the features and modifications
 *
 * @param body weight of tractor's main body
 * @param scraper weight of scraper attachment
 * @param roof weight of optional roof
 * @return total weight of the tractor and attachments
 */
public int calcWeight(int body, int scraper, int roof)
{
     int weight = body + scraper + roof;
     return weight;
}
E
/**
 * Calculates the weight of tractor by adding
 * weights of all the features and modifications
 *
 * @param body weight of tractor's main body
 * @param scraper weight of scraper attachment
 * @param roof weight of optional roof
 * @return total weight of the tractor and attachments
 *
public int calcWeight(int body, int scraper, int roof)
{
     int weight = body + scraper + roof;
     return weight;
}  
*/