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Java Java Objects Creating the MVP Remaining Characters

Damjan Vlaic
Damjan Vlaic
19,244 Points
Posted by Damjan Vlaic
Damjan Vlaic
19,244 Points

---JAVA---

pls help someone :) This is my problem: Let's let them know how many characters they have left to use...so they can jam them full of hashtags #jklol

Create a public method named getRemainingCharacterCount that returns an int representing how many characters they have left before they 140. Base your calculation on the field that stores the current text.

Tweet.java 
public class Tweet {
  public static final int MAX_CHARS = 140;
  private String text;

  public Tweet(String text) {
    this.text = text;
  }

  public String getText() {
    return text;
  }

  public void setText(String text) {
    this.text = text;
  }

  public int getRemainingCharacterCount() {
    //i tried this but i know it is not good --> return MAX_CHARS - text.lenght();  
  }
}
GhostIn Shell
GhostIn Shell
1,967 Points
GhostIn Shell
GhostIn Shell
1,967 Points

Why isn't return MAX_CHARS - text.length(); working???

2 Answers

GhostIn Shell
GhostIn Shell
1,967 Points
GhostIn Shell
GhostIn Shell
1,967 Points

public String getRemainingCharacterCount(){ return MAX_CHARS - text.length(); }

this worked for me... I added text = ""; to the first method. Also, check the spelling of length. That was getting me for awhile.

Samuel Ferree
Samuel Ferree
31,722 Points
Samuel Ferree
Samuel Ferree
31,722 Points

I mean, that's how I would do it. I would just add a null check tho

public int getRemainingCharacterCount() {
    return MAX_CHARS - (text != null ? text.length() : 0);  
}
Damjan Vlaic
Damjan Vlaic
19,244 Points
Damjan Vlaic
Damjan Vlaic
19,244 Points

thank you!!! it works ;)