public abstract class java.awt.GraphicsEnvironment
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: java.awt.GraphicsEnvironment
  super_class: java.lang.Object
{
  private static java.lang.Boolean headless;
    descriptor: Ljava/lang/Boolean;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static java.lang.Boolean defaultHeadless;
    descriptor: Ljava/lang/Boolean;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.awt.GraphicsEnvironment this
         0: .line 72
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 73
            return
        end local 0 // java.awt.GraphicsEnvironment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/awt/GraphicsEnvironment;

  public static java.awt.GraphicsEnvironment getLocalGraphicsEnvironment();
    descriptor: ()Ljava/awt/GraphicsEnvironment;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 129
            getstatic java.awt.GraphicsEnvironment$LocalGE.INSTANCE:Ljava/awt/GraphicsEnvironment;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static boolean isHeadless();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 145
            invokestatic java.awt.GraphicsEnvironment.getHeadlessProperty:()Z
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static java.lang.String getHeadlessMessage();
    descriptor: ()Ljava/lang/String;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 154
            getstatic java.awt.GraphicsEnvironment.headless:Ljava/lang/Boolean;
            ifnonnull 2
         1: .line 155
            invokestatic java.awt.GraphicsEnvironment.getHeadlessProperty:()Z
            pop
         2: .line 157
      StackMap locals:
      StackMap stack:
            getstatic java.awt.GraphicsEnvironment.defaultHeadless:Ljava/lang/Boolean;
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            if_acmpeq 3
            aconst_null
            goto 4
         3: .line 158
      StackMap locals:
      StackMap stack:
            ldc "\nNo X11 DISPLAY variable was set, but this program performed an operation which requires it."
         4: .line 157
      StackMap locals:
      StackMap stack: java.lang.String
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static boolean getHeadlessProperty();
    descriptor: ()Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 167
            getstatic java.awt.GraphicsEnvironment.headless:Ljava/lang/Boolean;
            ifnonnull 2
         1: .line 168
            invokedynamic run()Ljava/security/PrivilegedAction;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  java/awt/GraphicsEnvironment.lambda$0()Ljava/lang/Void; (6)
                  ()Ljava/lang/Void;
            invokestatic java.security.AccessController.doPrivileged:(Ljava/security/PrivilegedAction;)Ljava/lang/Object;
            pop
         2: .line 199
      StackMap locals:
      StackMap stack:
            getstatic java.awt.GraphicsEnvironment.headless:Ljava/lang/Boolean;
            invokevirtual java.lang.Boolean.booleanValue:()Z
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  static void checkHeadless();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 207
            invokestatic java.awt.GraphicsEnvironment.isHeadless:()Z
            ifeq 2
         1: .line 208
            new java.awt.HeadlessException
            dup
            invokespecial java.awt.HeadlessException.<init>:()V
            athrow
         2: .line 210
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Exceptions:
      throws java.awt.HeadlessException

  public boolean isHeadlessInstance();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.awt.GraphicsEnvironment this
         0: .line 228
            invokestatic java.awt.GraphicsEnvironment.getHeadlessProperty:()Z
            ireturn
        end local 0 // java.awt.GraphicsEnvironment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/awt/GraphicsEnvironment;

  public abstract java.awt.GraphicsDevice[] getScreenDevices();
    descriptor: ()[Ljava/awt/GraphicsDevice;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.awt.HeadlessException

  public abstract java.awt.GraphicsDevice getDefaultScreenDevice();
    descriptor: ()Ljava/awt/GraphicsDevice;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.awt.HeadlessException

  public abstract java.awt.Graphics2D createGraphics(java.awt.image.BufferedImage);
    descriptor: (Ljava/awt/image/BufferedImage;)Ljava/awt/Graphics2D;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      img   

  public abstract java.awt.Font[] getAllFonts();
    descriptor: ()[Ljava/awt/Font;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String[] getAvailableFontFamilyNames();
    descriptor: ()[Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.String[] getAvailableFontFamilyNames(java.util.Locale);
    descriptor: (Ljava/util/Locale;)[Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      l     

  public boolean registerFont(java.awt.Font);
    descriptor: (Ljava/awt/Font;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // java.awt.GraphicsEnvironment this
        start local 1 // java.awt.Font font
         0: .line 369
            aload 1 /* font */
            ifnonnull 2
         1: .line 370
            new java.lang.NullPointerException
            dup
            ldc "font cannot be null."
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 372
      StackMap locals:
      StackMap stack:
            invokestatic sun.font.FontManagerFactory.getInstance:()Lsun/font/FontManager;
            astore 2 /* fm */
        start local 2 // sun.font.FontManager fm
         3: .line 373
            aload 2 /* fm */
            aload 1 /* font */
            invokeinterface sun.font.FontManager.registerFont:(Ljava/awt/Font;)Z
            ireturn
        end local 2 // sun.font.FontManager fm
        end local 1 // java.awt.Font font
        end local 0 // java.awt.GraphicsEnvironment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljava/awt/GraphicsEnvironment;
            0    4     1  font  Ljava/awt/Font;
            3    4     2    fm  Lsun/font/FontManager;
    MethodParameters:
      Name  Flags
      font  

  public void preferLocaleFonts();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=1
        start local 0 // java.awt.GraphicsEnvironment this
         0: .line 397
            invokestatic sun.font.FontManagerFactory.getInstance:()Lsun/font/FontManager;
            astore 1 /* fm */
        start local 1 // sun.font.FontManager fm
         1: .line 398
            aload 1 /* fm */
            invokeinterface sun.font.FontManager.preferLocaleFonts:()V
         2: .line 399
            return
        end local 1 // sun.font.FontManager fm
        end local 0 // java.awt.GraphicsEnvironment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/awt/GraphicsEnvironment;
            1    3     1    fm  Lsun/font/FontManager;

  public void preferProportionalFonts();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=1
        start local 0 // java.awt.GraphicsEnvironment this
         0: .line 418
            invokestatic sun.font.FontManagerFactory.getInstance:()Lsun/font/FontManager;
            astore 1 /* fm */
        start local 1 // sun.font.FontManager fm
         1: .line 419
            aload 1 /* fm */
            invokeinterface sun.font.FontManager.preferProportionalFonts:()V
         2: .line 420
            return
        end local 1 // sun.font.FontManager fm
        end local 0 // java.awt.GraphicsEnvironment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/awt/GraphicsEnvironment;
            1    3     1    fm  Lsun/font/FontManager;

  public java.awt.Point getCenterPoint();
    descriptor: ()Ljava/awt/Point;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.awt.GraphicsEnvironment this
         0: .line 436
            aload 0 /* this */
            invokevirtual java.awt.GraphicsEnvironment.getDefaultScreenDevice:()Ljava/awt/GraphicsDevice;
            invokestatic sun.java2d.SunGraphicsEnvironment.getUsableBounds:(Ljava/awt/GraphicsDevice;)Ljava/awt/Rectangle;
         1: .line 435
            astore 1 /* usableBounds */
        start local 1 // java.awt.Rectangle usableBounds
         2: .line 437
            new java.awt.Point
            dup
            aload 1 /* usableBounds */
            getfield java.awt.Rectangle.width:I
            iconst_2
            idiv
            aload 1 /* usableBounds */
            getfield java.awt.Rectangle.x:I
            iadd
         3: .line 438
            aload 1 /* usableBounds */
            getfield java.awt.Rectangle.height:I
            iconst_2
            idiv
            aload 1 /* usableBounds */
            getfield java.awt.Rectangle.y:I
            iadd
         4: .line 437
            invokespecial java.awt.Point.<init>:(II)V
            areturn
        end local 1 // java.awt.Rectangle usableBounds
        end local 0 // java.awt.GraphicsEnvironment this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    5     0          this  Ljava/awt/GraphicsEnvironment;
            2    5     1  usableBounds  Ljava/awt/Rectangle;
    Exceptions:
      throws java.awt.HeadlessException

  public java.awt.Rectangle getMaximumWindowBounds();
    descriptor: ()Ljava/awt/Rectangle;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.awt.GraphicsEnvironment this
         0: .line 463
            aload 0 /* this */
            invokevirtual java.awt.GraphicsEnvironment.getDefaultScreenDevice:()Ljava/awt/GraphicsDevice;
            invokestatic sun.java2d.SunGraphicsEnvironment.getUsableBounds:(Ljava/awt/GraphicsDevice;)Ljava/awt/Rectangle;
            areturn
        end local 0 // java.awt.GraphicsEnvironment this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/awt/GraphicsEnvironment;
    Exceptions:
      throws java.awt.HeadlessException

  private static java.lang.Void lambda$0();
    descriptor: ()Ljava/lang/Void;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=3, args_size=0
         0: .line 169
            ldc "java.awt.headless"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 0 /* nm */
        start local 0 // java.lang.String nm
         1: .line 171
            aload 0 /* nm */
            ifnonnull 25
         2: .line 173
            ldc "javaplugin.version"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            ifnull 5
         3: .line 174
            getstatic java.lang.Boolean.FALSE:Ljava/lang/Boolean;
            dup
            putstatic java.awt.GraphicsEnvironment.defaultHeadless:Ljava/lang/Boolean;
            putstatic java.awt.GraphicsEnvironment.headless:Ljava/lang/Boolean;
         4: .line 175
            goto 26
         5: .line 176
      StackMap locals: java.lang.String
      StackMap stack:
            ldc "os.name"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 1 /* osName */
        start local 1 // java.lang.String osName
         6: .line 177
            aload 1 /* osName */
            ldc "OS X"
            invokevirtual java.lang.String.contains:(Ljava/lang/CharSequence;)Z
            ifeq 12
            ldc "sun.awt.HToolkit"
         7: .line 178
            ldc "awt.toolkit"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
         8: .line 177
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
         9: .line 178
            ifeq 12
        10: .line 180
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            dup
            putstatic java.awt.GraphicsEnvironment.defaultHeadless:Ljava/lang/Boolean;
            putstatic java.awt.GraphicsEnvironment.headless:Ljava/lang/Boolean;
        11: .line 181
            goto 26
        12: .line 182
      StackMap locals: java.lang.String
      StackMap stack:
            ldc "DISPLAY"
            invokestatic java.lang.System.getenv:(Ljava/lang/String;)Ljava/lang/String;
            astore 2 /* display */
        start local 2 // java.lang.String display
        13: .line 184
            ldc "Linux"
            aload 1 /* osName */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 19
        14: .line 185
            ldc "SunOS"
            aload 1 /* osName */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 19
        15: .line 186
            ldc "FreeBSD"
            aload 1 /* osName */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 19
        16: .line 187
            ldc "NetBSD"
            aload 1 /* osName */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 19
        17: .line 188
            ldc "OpenBSD"
            aload 1 /* osName */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 19
        18: .line 189
            ldc "AIX"
            aload 1 /* osName */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 21
        19: .line 190
      StackMap locals: java.lang.String
      StackMap stack:
            aload 2 /* display */
            ifnull 20
            aload 2 /* display */
            invokevirtual java.lang.String.trim:()Ljava/lang/String;
            invokevirtual java.lang.String.isEmpty:()Z
            ifeq 21
      StackMap locals:
      StackMap stack:
        20: iconst_1
            goto 22
      StackMap locals:
      StackMap stack:
        21: iconst_0
      StackMap locals:
      StackMap stack: int
        22: invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
        23: .line 183
            dup
            putstatic java.awt.GraphicsEnvironment.defaultHeadless:Ljava/lang/Boolean;
            putstatic java.awt.GraphicsEnvironment.headless:Ljava/lang/Boolean;
        end local 2 // java.lang.String display
        end local 1 // java.lang.String osName
        24: .line 193
            goto 26
        25: .line 194
      StackMap locals:
      StackMap stack:
            aload 0 /* nm */
            invokestatic java.lang.Boolean.valueOf:(Ljava/lang/String;)Ljava/lang/Boolean;
            putstatic java.awt.GraphicsEnvironment.headless:Ljava/lang/Boolean;
        26: .line 196
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // java.lang.String nm
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            1   27     0       nm  Ljava/lang/String;
            6   24     1   osName  Ljava/lang/String;
           13   24     2  display  Ljava/lang/String;
}
SourceFile: "GraphicsEnvironment.java"
NestMembers:
  java.awt.GraphicsEnvironment$LocalGE
InnerClasses:
  private final LocalGE = java.awt.GraphicsEnvironment$LocalGE of java.awt.GraphicsEnvironment
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles