https://projects.eclipse.org/projects/ee4j.grizzly/grizzly-websockets-server: Grizzly Bill of Materials (BOM) (Oracle Corporation) 
public class org.glassfish.grizzly.utils.JdkVersion implements java.lang.Comparable<org.glassfish.grizzly.utils.JdkVersion>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.glassfish.grizzly.utils.JdkVersion
  super_class: java.lang.Object
{
  private static final java.util.logging.Logger LOGGER;
    descriptor: Ljava/util/logging/Logger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final java.util.regex.Pattern VERSION_PATTERN;
    descriptor: Ljava/util/regex/Pattern;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final org.glassfish.grizzly.utils.JdkVersion UNKNOWN_VERSION;
    descriptor: Lorg/glassfish/grizzly/utils/JdkVersion;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final org.glassfish.grizzly.utils.JdkVersion JDK_VERSION;
    descriptor: Lorg/glassfish/grizzly/utils/JdkVersion;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final int major;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int minor;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int maintenance;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int update;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=6, locals=0, args_size=0
         0: .line 31
            ldc Lorg/glassfish/grizzly/utils/JdkVersion;
            invokestatic org.glassfish.grizzly.Grizzly.logger:(Ljava/lang/Class;)Ljava/util/logging/Logger;
            putstatic org.glassfish.grizzly.utils.JdkVersion.LOGGER:Ljava/util/logging/Logger;
         1: .line 34
            ldc "([0-9]+)(\\.([0-9]+))?(\\.([0-9]+))?([_\\.]([0-9]+))?.*"
            invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
            putstatic org.glassfish.grizzly.utils.JdkVersion.VERSION_PATTERN:Ljava/util/regex/Pattern;
         2: .line 36
            new org.glassfish.grizzly.utils.JdkVersion
            dup
            iconst_m1
            iconst_m1
            iconst_m1
            iconst_m1
            invokespecial org.glassfish.grizzly.utils.JdkVersion.<init>:(IIII)V
            putstatic org.glassfish.grizzly.utils.JdkVersion.UNKNOWN_VERSION:Lorg/glassfish/grizzly/utils/JdkVersion;
         3: .line 37
            ldc "java.version"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            invokestatic org.glassfish.grizzly.utils.JdkVersion.parseVersion:(Ljava/lang/String;)Lorg/glassfish/grizzly/utils/JdkVersion;
            putstatic org.glassfish.grizzly.utils.JdkVersion.JDK_VERSION:Lorg/glassfish/grizzly/utils/JdkVersion;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>(int, int, int, int);
    descriptor: (IIII)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=5, args_size=5
        start local 0 // org.glassfish.grizzly.utils.JdkVersion this
        start local 1 // int major
        start local 2 // int minor
        start local 3 // int maintenance
        start local 4 // int update
         0: .line 46
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 47
            aload 0 /* this */
            iload 1 /* major */
            putfield org.glassfish.grizzly.utils.JdkVersion.major:I
         2: .line 48
            aload 0 /* this */
            iload 2 /* minor */
            putfield org.glassfish.grizzly.utils.JdkVersion.minor:I
         3: .line 49
            aload 0 /* this */
            iload 3 /* maintenance */
            putfield org.glassfish.grizzly.utils.JdkVersion.maintenance:I
         4: .line 50
            aload 0 /* this */
            iload 4 /* update */
            putfield org.glassfish.grizzly.utils.JdkVersion.update:I
         5: .line 51
            return
        end local 4 // int update
        end local 3 // int maintenance
        end local 2 // int minor
        end local 1 // int major
        end local 0 // org.glassfish.grizzly.utils.JdkVersion this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0         this  Lorg/glassfish/grizzly/utils/JdkVersion;
            0    6     1        major  I
            0    6     2        minor  I
            0    6     3  maintenance  I
            0    6     4       update  I
    MethodParameters:
             Name  Flags
      major        final
      minor        final
      maintenance  final
      update       final

  public static org.glassfish.grizzly.utils.JdkVersion parseVersion(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/glassfish/grizzly/utils/JdkVersion;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=2, args_size=1
        start local 0 // java.lang.String versionString
         0: .line 58
            getstatic org.glassfish.grizzly.utils.JdkVersion.VERSION_PATTERN:Ljava/util/regex/Pattern;
            aload 0 /* versionString */
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            astore 1 /* matcher */
        start local 1 // java.util.regex.Matcher matcher
         1: .line 59
            aload 1 /* matcher */
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifeq 4
         2: .line 60
            new org.glassfish.grizzly.utils.JdkVersion
            dup
            aload 1 /* matcher */
            iconst_1
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            invokestatic org.glassfish.grizzly.utils.JdkVersion.parseInt:(Ljava/lang/String;)I
            aload 1 /* matcher */
            iconst_3
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            invokestatic org.glassfish.grizzly.utils.JdkVersion.parseInt:(Ljava/lang/String;)I
            aload 1 /* matcher */
            iconst_5
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            invokestatic org.glassfish.grizzly.utils.JdkVersion.parseInt:(Ljava/lang/String;)I
            aload 1 /* matcher */
            bipush 7
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            invokestatic org.glassfish.grizzly.utils.JdkVersion.parseInt:(Ljava/lang/String;)I
            invokespecial org.glassfish.grizzly.utils.JdkVersion.<init>:(IIII)V
         3: areturn
         4: .line 63
      StackMap locals: java.util.regex.Matcher
      StackMap stack:
            getstatic org.glassfish.grizzly.utils.JdkVersion.LOGGER:Ljava/util/logging/Logger;
            getstatic java.util.logging.Level.FINE:Ljava/util/logging/Level;
            ldc "Can't parse the JDK version {0}"
            aload 0 /* versionString */
            invokevirtual java.util.logging.Logger.log:(Ljava/util/logging/Level;Ljava/lang/String;Ljava/lang/Object;)V
        end local 1 // java.util.regex.Matcher matcher
         5: .line 65
            goto 8
      StackMap locals: java.lang.String
      StackMap stack: java.lang.Exception
         6: astore 1 /* e */
        start local 1 // java.lang.Exception e
         7: .line 66
            getstatic org.glassfish.grizzly.utils.JdkVersion.LOGGER:Ljava/util/logging/Logger;
            getstatic java.util.logging.Level.FINE:Ljava/util/logging/Level;
            new java.lang.StringBuilder
            dup
            ldc "Error parsing the JDK version "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* versionString */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 1 /* e */
            invokevirtual java.util.logging.Logger.log:(Ljava/util/logging/Level;Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 1 // java.lang.Exception e
         8: .line 69
      StackMap locals:
      StackMap stack:
            getstatic org.glassfish.grizzly.utils.JdkVersion.UNKNOWN_VERSION:Lorg/glassfish/grizzly/utils/JdkVersion;
            areturn
        end local 0 // java.lang.String versionString
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0  versionString  Ljava/lang/String;
            1    5     1        matcher  Ljava/util/regex/Matcher;
            7    8     1              e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0     3       6  Class java.lang.Exception
           4     5       6  Class java.lang.Exception
    MethodParameters:
               Name  Flags
      versionString  final

  public static org.glassfish.grizzly.utils.JdkVersion getJdkVersion();
    descriptor: ()Lorg/glassfish/grizzly/utils/JdkVersion;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 73
            getstatic org.glassfish.grizzly.utils.JdkVersion.JDK_VERSION:Lorg/glassfish/grizzly/utils/JdkVersion;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public int getMajor();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.glassfish.grizzly.utils.JdkVersion this
         0: .line 78
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.major:I
            ireturn
        end local 0 // org.glassfish.grizzly.utils.JdkVersion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/glassfish/grizzly/utils/JdkVersion;

  public int getMinor();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.glassfish.grizzly.utils.JdkVersion this
         0: .line 83
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.minor:I
            ireturn
        end local 0 // org.glassfish.grizzly.utils.JdkVersion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/glassfish/grizzly/utils/JdkVersion;

  public int getMaintenance();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.glassfish.grizzly.utils.JdkVersion this
         0: .line 88
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.maintenance:I
            ireturn
        end local 0 // org.glassfish.grizzly.utils.JdkVersion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/glassfish/grizzly/utils/JdkVersion;

  public int getUpdate();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.glassfish.grizzly.utils.JdkVersion this
         0: .line 93
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.update:I
            ireturn
        end local 0 // org.glassfish.grizzly.utils.JdkVersion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/glassfish/grizzly/utils/JdkVersion;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.glassfish.grizzly.utils.JdkVersion this
         0: .line 98
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 1 /* sb */
        start local 1 // java.lang.StringBuilder sb
         1: .line 99
            aload 1 /* sb */
            ldc "JdkVersion"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         2: .line 100
            aload 1 /* sb */
            ldc "{major="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.major:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            pop
         3: .line 101
            aload 1 /* sb */
            ldc ", minor="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.minor:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            pop
         4: .line 102
            aload 1 /* sb */
            ldc ", maintenance="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.maintenance:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            pop
         5: .line 103
            aload 1 /* sb */
            ldc ", update="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.update:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            pop
         6: .line 104
            aload 1 /* sb */
            bipush 125
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
         7: .line 105
            aload 1 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder sb
        end local 0 // org.glassfish.grizzly.utils.JdkVersion this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/glassfish/grizzly/utils/JdkVersion;
            1    8     1    sb  Ljava/lang/StringBuilder;

  public int compareTo(java.lang.String);
    descriptor: (Ljava/lang/String;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.glassfish.grizzly.utils.JdkVersion this
        start local 1 // java.lang.String versionString
         0: .line 111
            aload 0 /* this */
            aload 1 /* versionString */
            invokestatic org.glassfish.grizzly.utils.JdkVersion.parseVersion:(Ljava/lang/String;)Lorg/glassfish/grizzly/utils/JdkVersion;
            invokevirtual org.glassfish.grizzly.utils.JdkVersion.compareTo:(Lorg/glassfish/grizzly/utils/JdkVersion;)I
            ireturn
        end local 1 // java.lang.String versionString
        end local 0 // org.glassfish.grizzly.utils.JdkVersion this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    1     0           this  Lorg/glassfish/grizzly/utils/JdkVersion;
            0    1     1  versionString  Ljava/lang/String;
    MethodParameters:
               Name  Flags
      versionString  

  public int compareTo(org.glassfish.grizzly.utils.JdkVersion);
    descriptor: (Lorg/glassfish/grizzly/utils/JdkVersion;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.glassfish.grizzly.utils.JdkVersion this
        start local 1 // org.glassfish.grizzly.utils.JdkVersion otherVersion
         0: .line 116
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.major:I
            aload 1 /* otherVersion */
            getfield org.glassfish.grizzly.utils.JdkVersion.major:I
            if_icmpge 2
         1: .line 117
            iconst_m1
            ireturn
         2: .line 119
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.major:I
            aload 1 /* otherVersion */
            getfield org.glassfish.grizzly.utils.JdkVersion.major:I
            if_icmple 4
         3: .line 120
            iconst_1
            ireturn
         4: .line 122
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.minor:I
            aload 1 /* otherVersion */
            getfield org.glassfish.grizzly.utils.JdkVersion.minor:I
            if_icmpge 6
         5: .line 123
            iconst_m1
            ireturn
         6: .line 125
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.minor:I
            aload 1 /* otherVersion */
            getfield org.glassfish.grizzly.utils.JdkVersion.minor:I
            if_icmple 8
         7: .line 126
            iconst_1
            ireturn
         8: .line 128
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.maintenance:I
            aload 1 /* otherVersion */
            getfield org.glassfish.grizzly.utils.JdkVersion.maintenance:I
            if_icmpge 10
         9: .line 129
            iconst_m1
            ireturn
        10: .line 131
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.maintenance:I
            aload 1 /* otherVersion */
            getfield org.glassfish.grizzly.utils.JdkVersion.maintenance:I
            if_icmple 12
        11: .line 132
            iconst_1
            ireturn
        12: .line 134
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.update:I
            aload 1 /* otherVersion */
            getfield org.glassfish.grizzly.utils.JdkVersion.update:I
            if_icmpge 14
        13: .line 135
            iconst_m1
            ireturn
        14: .line 137
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.glassfish.grizzly.utils.JdkVersion.update:I
            aload 1 /* otherVersion */
            getfield org.glassfish.grizzly.utils.JdkVersion.update:I
            if_icmple 16
        15: .line 138
            iconst_1
            ireturn
        16: .line 140
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 1 // org.glassfish.grizzly.utils.JdkVersion otherVersion
        end local 0 // org.glassfish.grizzly.utils.JdkVersion this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   17     0          this  Lorg/glassfish/grizzly/utils/JdkVersion;
            0   17     1  otherVersion  Lorg/glassfish/grizzly/utils/JdkVersion;
    MethodParameters:
              Name  Flags
      otherVersion  

  private static int parseInt(java.lang.String);
    descriptor: (Ljava/lang/String;)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.String s
         0: .line 144
            aload 0 /* s */
            ifnull 1
            aload 0 /* s */
            invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 0 // java.lang.String s
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0     s  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      s     final

  public int compareTo(java.lang.Object);
    descriptor: (Ljava/lang/Object;)I
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            checkcast org.glassfish.grizzly.utils.JdkVersion
            invokevirtual org.glassfish.grizzly.utils.JdkVersion.compareTo:(Lorg/glassfish/grizzly/utils/JdkVersion;)I
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Ljava/lang/Comparable<Lorg/glassfish/grizzly/utils/JdkVersion;>;
SourceFile: "JdkVersion.java"