Class Constants

java.lang.Object
org.apache.lucene.util.Constants

public final class Constants extends Object
Some useful constants.
  • Field Details

    • JVM_VENDOR

      public static final String JVM_VENDOR
      JVM vendor info.
    • JVM_VERSION

      public static final String JVM_VERSION
    • JVM_NAME

      public static final String JVM_NAME
    • JVM_SPEC_VERSION

      public static final String JVM_SPEC_VERSION
    • JAVA_VERSION

      public static final String JAVA_VERSION
      The value of System.getProperty("java.version"). *
    • OS_NAME

      public static final String OS_NAME
      The value of System.getProperty("os.name"). *
    • LINUX

      public static final boolean LINUX
      True iff running on Linux.
    • WINDOWS

      public static final boolean WINDOWS
      True iff running on Windows.
    • SUN_OS

      public static final boolean SUN_OS
      True iff running on SunOS.
    • MAC_OS_X

      public static final boolean MAC_OS_X
      True iff running on Mac OS X
    • FREE_BSD

      public static final boolean FREE_BSD
      True iff running on FreeBSD
    • OS_ARCH

      public static final String OS_ARCH
    • OS_VERSION

      public static final String OS_VERSION
    • JAVA_VENDOR

      public static final String JAVA_VENDOR
    • JVM_MAJOR_VERSION

      private static final int JVM_MAJOR_VERSION
    • JVM_MINOR_VERSION

      private static final int JVM_MINOR_VERSION
    • JRE_IS_64BIT

      public static final boolean JRE_IS_64BIT
      True iff running on a 64bit JVM
    • JRE_IS_MINIMUM_JAVA8

      public static final boolean JRE_IS_MINIMUM_JAVA8
    • JRE_IS_MINIMUM_JAVA9

      public static final boolean JRE_IS_MINIMUM_JAVA9
    • JRE_IS_MINIMUM_JAVA11

      public static final boolean JRE_IS_MINIMUM_JAVA11
  • Constructor Details

    • Constants

      private Constants()