public class ch.qos.logback.core.util.EnvUtil
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: ch.qos.logback.core.util.EnvUtil
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // ch.qos.logback.core.util.EnvUtil this
         0: .line 22
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // ch.qos.logback.core.util.EnvUtil this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lch/qos/logback/core/util/EnvUtil;

  private static boolean isJDK_N_OrHigher(int);
    descriptor: (I)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=5, args_size=1
        start local 0 // int n
         0: .line 25
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 1 /* versionList */
        start local 1 // java.util.List versionList
         1: .line 28
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         2: goto 5
         3: .line 29
      StackMap locals: java.util.List int
      StackMap stack:
            aload 1 /* versionList */
            new java.lang.StringBuilder
            dup
            ldc "1."
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 0 /* n */
            iload 2 /* i */
            iadd
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         4: .line 28
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
         5: iload 2 /* i */
            iconst_5
            if_icmplt 3
        end local 2 // int i
         6: .line 32
            ldc "java.version"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 2 /* javaVersion */
        start local 2 // java.lang.String javaVersion
         7: .line 33
            aload 2 /* javaVersion */
            ifnonnull 9
         8: .line 34
            iconst_0
            ireturn
         9: .line 36
      StackMap locals: int java.util.List java.lang.String
      StackMap stack:
            aload 1 /* versionList */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 4
            goto 13
      StackMap locals: int java.util.List java.lang.String top java.util.Iterator
      StackMap stack:
        10: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 3 /* v */
        start local 3 // java.lang.String v
        11: .line 37
            aload 2 /* javaVersion */
            aload 3 /* v */
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 13
        12: .line 38
            iconst_1
            ireturn
        end local 3 // java.lang.String v
        13: .line 36
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 10
        14: .line 40
            iconst_0
            ireturn
        end local 2 // java.lang.String javaVersion
        end local 1 // java.util.List versionList
        end local 0 // int n
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   15     0            n  I
            1   15     1  versionList  Ljava/util/List<Ljava/lang/String;>;
            2    6     2            i  I
            7   15     2  javaVersion  Ljava/lang/String;
           11   13     3            v  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      n     

  public static boolean isJDK5();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 44
            iconst_5
            invokestatic ch.qos.logback.core.util.EnvUtil.isJDK_N_OrHigher:(I)Z
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static boolean isJDK6OrHigher();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 48
            bipush 6
            invokestatic ch.qos.logback.core.util.EnvUtil.isJDK_N_OrHigher:(I)Z
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static boolean isJDK7OrHigher();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 52
            bipush 7
            invokestatic ch.qos.logback.core.util.EnvUtil.isJDK_N_OrHigher:(I)Z
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static boolean isJaninoAvailable();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=0
         0: .line 56
            ldc Lch/qos/logback/core/util/EnvUtil;
            invokevirtual java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader;
            astore 0 /* classLoader */
        start local 0 // java.lang.ClassLoader classLoader
         1: .line 58
            aload 0 /* classLoader */
            ldc "org.codehaus.janino.ScriptEvaluator"
            invokevirtual java.lang.ClassLoader.loadClass:(Ljava/lang/String;)Ljava/lang/Class;
            astore 1 /* bindingClass */
        start local 1 // java.lang.Class bindingClass
         2: .line 59
            aload 1 /* bindingClass */
            ifnull 3
            iconst_1
            ireturn
      StackMap locals: java.lang.ClassLoader java.lang.Class
      StackMap stack:
         3: iconst_0
         4: ireturn
        end local 1 // java.lang.Class bindingClass
         5: .line 60
      StackMap locals: java.lang.ClassLoader
      StackMap stack: java.lang.ClassNotFoundException
            pop
         6: .line 61
            iconst_0
            ireturn
        end local 0 // java.lang.ClassLoader classLoader
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            1    7     0   classLoader  Ljava/lang/ClassLoader;
            2    5     1  bindingClass  Ljava/lang/Class<*>;
      Exception table:
        from    to  target  type
           1     4       5  Class java.lang.ClassNotFoundException

  public static boolean isWindows();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=0
         0: .line 66
            ldc "os.name"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 0 /* os */
        start local 0 // java.lang.String os
         1: .line 67
            aload 0 /* os */
            ldc "Windows"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ireturn
        end local 0 // java.lang.String os
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            1    2     0    os  Ljava/lang/String;
}
SourceFile: "EnvUtil.java"