Java 8. Java 8. Does whatever Java 8 can.

Default methods, everywhere.
Arrow types, switch on strings.
Lambdas!
Here comes Java 8.

src/main/java/dan200/computercraft/shared/util/IDAssigner.java

@@ -73,15 +73,10 @@ public class IDAssigner
                 {
                     isr = new InputStreamReader( in );
                 }
-                BufferedReader br = new BufferedReader( isr );
-                try
+                try( BufferedReader br = new BufferedReader( isr ) )
                 {
                     idString = br.readLine();
                 }
-                finally
-                {
-                    br.close();
-                }
             }
             catch( IOException e )
             {

src/main/java/dan200/computercraft/shared/util/NBTUtil.java

@@ -99,7 +99,7 @@ public class NBTUtil
                 {
                     NBTTagCompound c = (NBTTagCompound)tag;
                     int len = c.getInteger( "len" );
-                    Map<Object, Object> map = new HashMap<Object, Object>( len );
+                    Map<Object, Object> map = new HashMap<>( len );
                     for( int i=0; i<len; ++i )
                     {
                         Object key = fromNBTTag( c.getTag( "k" + Integer.toString( i ) ) );