JDK 10 release has removed several deprecated APIs, features and Options from Java library. Following is the relevant details.
Unsupported LookAndFeels removed − Applications using Nimbus or Aqua LookAndFeels has to migrate to new syntax.
Runtime.getLocalizedInputStream and getLocalizedOutputStream Methods removed − Runtime.getLocalizedInputStream and getLocalizedOutputStream Methods are no more available as they were part of an obsolete internationalization mechanism.
RMI Server-Side Multiplex Protocol Support removed − RMI Server-Side Multiplex Protocol was disabled in Java 9 and is removed in Java 10.
FlatProfiler removed − FlatProfiler was deprecated in Java 9 and is removed in Java 10.
Obsolete -X Options removed − -Xoss, -Xsqnopause, -Xoptimize, -Xboundthreads, and -Xusealtsigs, obsolete Hotspot VM options are removed in java 10.
HostServicesgetWebContext Method removed − HostServicesgetWebContext Method was deprecated in Java 9 and is removed in Java 10.
T2K Rasterizer and ICU Layout Engine removed − T2K rasterizer and ICU layout engine have been removed from JavaFX.
VP6/FXM/FLV Code removed − P6 video encoding format and FXM/FLV container support has been removed in JavaFX Media. H.264/AVC1 in the MP4 container or HTTP Live Streaming is to be used instead.
Pre-1.2 SecurityManager Methods and Fields removed − The pre-1.2 deprecated java.lang.SecurityManager methods and fields(marked forRemoval=true) have been removed.
policytool removed − The policytool security tool has been removed.
Deprecated Classes in com.sun.security.auth.** removed
Following deprecated classes are removed
Old(JDK 6, JDK 7, and JDK 8 Era) Standard Doclet removed − The old (JDK 6, JDK 7 and JDK 8 era) standard doclet, used to output HTML content, and are superseded by a replacement, has been removed.
javah tool removed − The Native-Header Generation Tool, javah has been removed.
Java Launcher's Data Model Options -d32 and -d64 removed. − The obsolete and deprecated selection options (-d32, -d64, -J-d32 and -J-d64) have been removed.