Big update: Adding all advent of codes to same repo

AdventOfCode2020/day2/Main.java

@@ -0,0 +1,51 @@
+import java.util.Scanner;
+import java.io.File;
+import java.io.FileNotFoundException;
+class Main {
+    
+    public static void main(String[] args) {
+        
+        try {
+            
+            File myFile = new File("input.txt");
+            Scanner in = new Scanner(myFile);
+            
+            int valid = 0;
+            
+            for (int i = 0; i < 1000; i++) {
+                
+                String line = in.nextLine();
+                
+                String[] firstSplit = line.split(" ");
+                //0 - numbers
+                //1 - letter
+                //2 - Password
+                
+                String[] boundsStr = firstSplit[0].split("-");
+                int[] bounds = {Integer.parseInt(boundsStr[0]), Integer.parseInt(boundsStr[1])};
+                char letter = firstSplit[1].charAt(0);
+                String password = firstSplit[2];
+                //int counter = 0;
+                
+                //Part 1 code
+                /*for (char c : password.toCharArray()) {
+                    if (c == letter) counter++;
+                }
+                
+                if (counter >= bounds[0] && counter <= bounds[1]) valid++;*/
+                
+                //Second part code
+                if ((password.charAt(bounds[0] - 1) == letter || password.charAt(bounds[1] - 1) == letter) && !(password.charAt(bounds[0] - 1) == letter && password.charAt(bounds[1] - 1) == letter)) valid++;
+                
+            }
+            
+            System.out.println(valid);
+            in.close();   
+            
+        } catch (FileNotFoundException e) {
+            System.out.println(e);
+        }
+        
+    }
+    
+}