Fix missing static imports of TimeUnit

src/main/java/server/ThreadManager.java

@@ -21,6 +21,9 @@ package server;
 
 import java.util.concurrent.*;
 
+import static java.util.concurrent.TimeUnit.MINUTES;
+import static java.util.concurrent.TimeUnit.SECONDS;
+
 /**
  * @author Ronan
  */
@@ -53,13 +56,13 @@ public class ThreadManager {
         RejectedExecutionHandler reh = new RejectedExecutionHandlerImpl();
         ThreadFactory tf = Executors.defaultThreadFactory();
 
-        tpe = new ThreadPoolExecutor(20, 1000, 77, TimeUnit.SECONDS, new ArrayBlockingQueue<>(50), tf, reh);
+        tpe = new ThreadPoolExecutor(20, 1000, 77, SECONDS, new ArrayBlockingQueue<>(50), tf, reh);
     }
 
     public void stop() {
         tpe.shutdown();
         try {
-            tpe.awaitTermination(5, TimeUnit.MINUTES);
+            tpe.awaitTermination(5, MINUTES);
         } catch (InterruptedException ie) {
         }
     }

src/main/java/server/TimerManager.java

@@ -30,9 +30,11 @@ import java.lang.management.ManagementFactory;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.ThreadFactory;
-import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
+import static java.util.concurrent.TimeUnit.MINUTES;
+
 public class TimerManager implements TimerManagerMBean {
     private static final TimerManager instance = new TimerManager();
 
@@ -69,7 +71,7 @@ public class TimerManager implements TimerManagerMBean {
         stpe.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
         stpe.setRemoveOnCancelPolicy(true);
 
-        stpe.setKeepAliveTime(5, TimeUnit.MINUTES);
+        stpe.setKeepAliveTime(5, MINUTES);
         stpe.allowCoreThreadTimeOut(true);
 
         ses = stpe;
@@ -87,15 +89,15 @@ public class TimerManager implements TimerManagerMBean {
     }
 
     public ScheduledFuture<?> register(Runnable r, long repeatTime, long delay) {
-        return ses.scheduleAtFixedRate(new LoggingSaveRunnable(r), delay, repeatTime, TimeUnit.MILLISECONDS);
+        return ses.scheduleAtFixedRate(new LoggingSaveRunnable(r), delay, repeatTime, MILLISECONDS);
     }
 
     public ScheduledFuture<?> register(Runnable r, long repeatTime) {
-        return ses.scheduleAtFixedRate(new LoggingSaveRunnable(r), 0, repeatTime, TimeUnit.MILLISECONDS);
+        return ses.scheduleAtFixedRate(new LoggingSaveRunnable(r), 0, repeatTime, MILLISECONDS);
     }
 
     public ScheduledFuture<?> schedule(Runnable r, long delay) {
-        return ses.schedule(new LoggingSaveRunnable(r), delay, TimeUnit.MILLISECONDS);
+        return ses.schedule(new LoggingSaveRunnable(r), delay, MILLISECONDS);
     }
 
     public ScheduledFuture<?> scheduleAtTimestamp(Runnable r, long timestamp) {

src/main/java/server/partyquest/AriantColiseum.java

@@ -33,9 +33,9 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
 
 import static java.util.concurrent.TimeUnit.MINUTES;
+import static java.util.concurrent.TimeUnit.SECONDS;
 
 /**
  * @author Ronan
@@ -65,7 +65,7 @@ public class AriantColiseum {
         map.resetFully();
 
         long pqTimer = MINUTES.toMillis(10);
-        long pqTimerBoard = MINUTES.toMillis(9) + TimeUnit.SECONDS.toMillis(50);
+        long pqTimerBoard = MINUTES.toMillis(9) + SECONDS.toMillis(50);
 
         List<Character> players = exped.getActiveMembers();
         score = new HashMap<>();