Finished day 4

Author: Gentleman1983

README.md

@@ -22,7 +22,7 @@ To run all solutions, simply run `./gradlew run`. If you want to run the solutio
 | 1       | ⭐       | ⭐       |
 | 2       | ⭐       | ⭐       |
 | 3       | ⭐       | ⭐       |
-| 4       | ⭐       | ❌       |
+| 4       | ⭐       | ⭐       |
 | 5       | ❌       | ❌       |
 | 6       | ❌       | ❌       |
 | 7       | ❌       | ❌       |
@@ -44,6 +44,6 @@ To run all solutions, simply run `./gradlew run`. If you want to run the solutio
 | 23      | ❌       | ❌       |
 | 24      | ❌       | ❌       |
 | 25      | ❌       | ❌       |
-| **SUM** | **4 ⭐** | **3 ⭐** |
+| **SUM** | **4 ⭐** | **4 ⭐** |
 
-Total: 7 ⭐
+Total: 8 ⭐

build.gradle

@@ -4,7 +4,7 @@ plugins {
 
 // project meta data
 group 'de.havox_design.aoc2015'
-version '0.3.5'
+version '0.3.6'
 
 // Switch to gradle "all" distribution.
 wrapper {

day04/src/main/java/de/havox_design/aoc2015/day04/AdventCoins.java

@@ -31,11 +31,11 @@ public int solvePart2() {
     }
 
     private int detectSecretNumberForHashStart(String prefix) {
-        for(int i = 0; i < Integer.MAX_VALUE; i++) {
+        for (int i = 0; i < Integer.MAX_VALUE; i++) {
             String combinedKey = input + i;
             String md5Hash = DigestUtils.md5Hex(combinedKey);
 
-            if(md5Hash.startsWith(prefix)) {
+            if (md5Hash.startsWith(prefix)) {
                 return i;
             }
         }