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Java Java Objects (Retired) Creating the MVP Remaining Characters

Posted by Kristjan Reinsberg
Kristjan Reinsberg
50,960 Points

Java Objects (stage 3, challange 2) ERROR Whoops: java.lang.reflect.InvocationTargetException

Code seems correct for me :/ cat pass, i get error "Whoops: java.lang.reflect.InvocationTargetException"

Tweet.java 
public class Tweet {
    public static final int MAX_CHAR = 140;  
  private String mText;


  public Tweet(String text) {
    mText = text;
  }

  public String getText() {
    return mText;
  }
  public int returnAvailableCharLeft(){

    int textToInt = Integer.parseInt(mText);
    int textLength =  mText.length();

    return  textLength - MAX_CHAR ;
  }
}

2 Answers

Kristjan Reinsberg
Kristjan Reinsberg
50,960 Points
Kristjan Reinsberg
Kristjan Reinsberg
50,960 Points

This made it work:

public int getRemainingCharacters() { return MAX_CHARACTERS - mText.length(); }

BUT why my first solution did not work? Is it because... length() requires String?

Jess Sanders
Jess Sanders
12,086 Points
Jess Sanders
Jess Sanders
12,086 Points 
public int returnAvailableCharLeft(){

    int textToInt = Integer.parseInt(mText);
    int textLength =  mText.length();

    return  textLength - MAX_CHAR ;
  }

Two problems to fix in your first solution, to make it work:

  • You don't need this line, "int textToInt = Integer.parseInt(mText);"
  • "return textLength - MAX_CHAR;" is backwards. You want to subtract textLength from MAX_CHAR