title: Fibonacci sequence in Java using for statements
body: <p>I tried making a Java program executing the Fibonacci sequence.</p>
  
  <p>Here's my code:</p>
  
  <pre><code>import java.io.*;
  public class Fibonacci{
      public static void main(String[]args){
          BufferedReader Data=new BufferedReader (new InputStreamReader(System.in));
          int ctr1=0;
          int ctr2=0;
          int num1=0;
          int num2=0;
          int num3=0;
          try{
              System.out.println("How many numbers would you want to see?");
              ctr2=Integer.parseInt(Data.readLine());
              for(int ans=0; ctr1==ctr2; ctr1++){
              num1++;
              System.out.println(num2 + "\n" + num1);
              ans=num1+num2;
              System.out.println(ans);
              ans=num3;
              }
          }catch(IOException err){
              System.out.println("Error!" + err);
          }catch(NumberFormatException err){
              System.out.println("Invald Input!");
          }
      }
  }
  </code></pre>
  
  <p>Obviously, I'm a beginner in Java and I don't know how to properly use the for statement. Would somebody be kind enough to make my code work? Or maybe make a way shorter code that works. I'm a beginner so be cool. Thanks :)</p>