code: import java.util.Random;
  
  public class FuzzyCircle {
  	static final Random rnd = new Random();
  	public static void main(String[] args){
  		char[][] field = new char[31][31];
  		for(int i = 0; i < field.length; i++){
  			for(int j = 0; j < field[i].length; j++){
  				field[i][j] = ' ';
  			}
  		}
  		int pointsInDisc = 0;
  		while(pointsInDisc < 100){
  			int x = rnd.nextInt(31) - 15;
  			int y = rnd.nextInt(31) - 15;
  			double dist = Math.hypot(x, y);
  			if(dist >= 10 && dist <= 15 && field[x + 15][y + 15] == ' '){
  				field[x + 15][y + 15] = 'X';
  				pointsInDisc++;
  			}
  		}
  		for(char[] row:field){
  			for(char space:row){
  				System.out.print(space);
  			}
  			System.out.println();
  		}
  	}
  }
  