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Throw friendly error message instead of “The nested type cannot hide an enclosing type” #4228

kasperkamperman opened this Issue Jan 11, 2016 · 0 comments


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kasperkamperman commented Jan 11, 2016


A student got this error because she named the class the same as the filename of the main sketch. Would it be possible to throw a friendlier error message? Like: "A class cannot have the same name as your the name of your sketch".

JitterBug bug;

void setup() {
  size(480, 120);
  bug = new JitterBug(width/2, height/2, 20);

void draw() {

class JitterBug {
  float x;
  float y; 
  int diameter;
  float speed = 2.5;

  JitterBug(float tempX, float tempY, int tempDiameter)  
    x = tempX;
    y = tempY;
    diameter = tempDiameter;

  void move() {
      x += random(-speed, speed);
      y += random(-speed, speed);

  void display() {
      ellipse(x, y, diameter, diameter);

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