Migrating to Java 7 - New Classes / Interfaces introduced within java.lang package

Classes

GraphicsDevice.WindowTranslucency
Window.Type
ClassValue
ProcessBuilder.Redirect
Character.UnicodeScript
ReflectiveOperationException
BootstrapMethodError
SafeVarargs
MethodHandles
WrongMethodTypeException
BootstrapMethodError
Modifier

Interfaces

AutoCloseable
BufferPoolMXBean
PlatformLoggingMXBean
PlatformManagedObject