http://bytebuddy.net/byte-buddy-dep: Byte Buddy is a Java library for creating Java classes at run time. This artifact is a build of Byte Buddy with a remaining dependency onto ASM. You should never depend on this module without repackaging Byte Buddy and ASM into your own namespace. 
public class net.bytebuddy.utility.RandomString
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: net.bytebuddy.utility.RandomString
  super_class: java.lang.Object
{
  public static final int DEFAULT_LENGTH;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 8

  private static final char[] SYMBOL;
    descriptor: [C
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int KEY_BITS;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.util.Random random;
    descriptor: Ljava/util/Random;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=2, args_size=0
         0: .line 44
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 0 /* symbol */
        start local 0 // java.lang.StringBuilder symbol
         1: .line 45
            bipush 48
            istore 1 /* character */
        start local 1 // char character
         2: goto 5
         3: .line 46
      StackMap locals: java.lang.StringBuilder int
      StackMap stack:
            aload 0 /* symbol */
            iload 1 /* character */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
         4: .line 45
            iload 1 /* character */
            iconst_1
            iadd
            i2c
            istore 1 /* character */
      StackMap locals:
      StackMap stack:
         5: iload 1 /* character */
            bipush 57
            if_icmple 3
        end local 1 // char character
         6: .line 48
            bipush 97
            istore 1 /* character */
        start local 1 // char character
         7: goto 10
         8: .line 49
      StackMap locals:
      StackMap stack:
            aload 0 /* symbol */
            iload 1 /* character */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
         9: .line 48
            iload 1 /* character */
            iconst_1
            iadd
            i2c
            istore 1 /* character */
      StackMap locals:
      StackMap stack:
        10: iload 1 /* character */
            bipush 122
            if_icmple 8
        end local 1 // char character
        11: .line 51
            bipush 65
            istore 1 /* character */
        start local 1 // char character
        12: goto 15
        13: .line 52
      StackMap locals:
      StackMap stack:
            aload 0 /* symbol */
            iload 1 /* character */
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
        14: .line 51
            iload 1 /* character */
            iconst_1
            iadd
            i2c
            istore 1 /* character */
      StackMap locals:
      StackMap stack:
        15: iload 1 /* character */
            bipush 90
            if_icmple 13
        end local 1 // char character
        16: .line 54
            aload 0 /* symbol */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.lang.String.toCharArray:()[C
            putstatic net.bytebuddy.utility.RandomString.SYMBOL:[C
        17: .line 55
            bipush 32
            getstatic net.bytebuddy.utility.RandomString.SYMBOL:[C
            arraylength
            invokestatic java.lang.Integer.numberOfLeadingZeros:(I)I
            isub
            istore 1 /* bits */
        start local 1 // int bits
        18: .line 56
            iload 1 /* bits */
            getstatic net.bytebuddy.utility.RandomString.SYMBOL:[C
            arraylength
            invokestatic java.lang.Integer.bitCount:(I)I
            iload 1 /* bits */
            if_icmpne 19
            iconst_0
            goto 20
      StackMap locals: java.lang.StringBuilder int
      StackMap stack: int
        19: iconst_1
      StackMap locals: java.lang.StringBuilder int
      StackMap stack: int int
        20: isub
            putstatic net.bytebuddy.utility.RandomString.KEY_BITS:I
        end local 1 // int bits
        end local 0 // java.lang.StringBuilder symbol
        21: .line 57
            return
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            1   21     0     symbol  Ljava/lang/StringBuilder;
            2    6     1  character  C
            7   11     1  character  C
           12   16     1  character  C
           18   21     1       bits  I

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // net.bytebuddy.utility.RandomString this
         0: .line 74
            aload 0 /* this */
            bipush 8
            invokespecial net.bytebuddy.utility.RandomString.<init>:(I)V
         1: .line 75
            return
        end local 0 // net.bytebuddy.utility.RandomString this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lnet/bytebuddy/utility/RandomString;

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // net.bytebuddy.utility.RandomString this
        start local 1 // int length
         0: .line 82
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 83
            iload 1 /* length */
            ifgt 3
         2: .line 84
            new java.lang.IllegalArgumentException
            dup
            ldc "A random string's length cannot be zero or negative"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 86
      StackMap locals: net.bytebuddy.utility.RandomString int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* length */
            putfield net.bytebuddy.utility.RandomString.length:I
         4: .line 87
            aload 0 /* this */
            new java.util.Random
            dup
            invokespecial java.util.Random.<init>:()V
            putfield net.bytebuddy.utility.RandomString.random:Ljava/util/Random;
         5: .line 88
            return
        end local 1 // int length
        end local 0 // net.bytebuddy.utility.RandomString this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0    this  Lnet/bytebuddy/utility/RandomString;
            0    6     1  length  I
    MethodParameters:
        Name  Flags
      length  

  public static java.lang.String make();
    descriptor: ()Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 96
            bipush 8
            invokestatic net.bytebuddy.utility.RandomString.make:(I)Ljava/lang/String;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static java.lang.String make(int);
    descriptor: (I)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // int length
         0: .line 106
            new net.bytebuddy.utility.RandomString
            dup
            iload 0 /* length */
            invokespecial net.bytebuddy.utility.RandomString.<init>:(I)V
            invokevirtual net.bytebuddy.utility.RandomString.nextString:()Ljava/lang/String;
            areturn
        end local 0 // int length
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0  length  I
    MethodParameters:
        Name  Flags
      length  

  public static java.lang.String hashOf(int);
    descriptor: (I)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=3, args_size=1
        start local 0 // int value
         0: .line 117
            bipush 32
            getstatic net.bytebuddy.utility.RandomString.KEY_BITS:I
            idiv
            bipush 32
            getstatic net.bytebuddy.utility.RandomString.KEY_BITS:I
            irem
            ifne 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack: int
         1: iconst_1
      StackMap locals: int
      StackMap stack: int int
         2: iadd
            newarray 5
            astore 1 /* buffer */
        start local 1 // char[] buffer
         3: .line 118
            iconst_0
            istore 2 /* index */
        start local 2 // int index
         4: goto 7
         5: .line 119
      StackMap locals: char[] int
      StackMap stack:
            aload 1 /* buffer */
            iload 2 /* index */
            getstatic net.bytebuddy.utility.RandomString.SYMBOL:[C
            iload 0 /* value */
            iload 2 /* index */
            getstatic net.bytebuddy.utility.RandomString.KEY_BITS:I
            imul
            iushr
            iconst_m1
            bipush 32
            getstatic net.bytebuddy.utility.RandomString.KEY_BITS:I
            isub
            iushr
            iand
            caload
            castore
         6: .line 118
            iinc 2 /* index */ 1
      StackMap locals:
      StackMap stack:
         7: iload 2 /* index */
            aload 1 /* buffer */
            arraylength
            if_icmplt 5
        end local 2 // int index
         8: .line 121
            new java.lang.String
            dup
            aload 1 /* buffer */
            invokespecial java.lang.String.<init>:([C)V
            areturn
        end local 1 // char[] buffer
        end local 0 // int value
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    9     0   value  I
            3    9     1  buffer  [C
            4    8     2   index  I
    MethodParameters:
       Name  Flags
      value  

  public java.lang.String nextString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // net.bytebuddy.utility.RandomString this
         0: .line 130
            aload 0 /* this */
            getfield net.bytebuddy.utility.RandomString.length:I
            newarray 5
            astore 1 /* buffer */
        start local 1 // char[] buffer
         1: .line 131
            iconst_0
            istore 2 /* index */
        start local 2 // int index
         2: goto 5
         3: .line 132
      StackMap locals: char[] int
      StackMap stack:
            aload 1 /* buffer */
            iload 2 /* index */
            getstatic net.bytebuddy.utility.RandomString.SYMBOL:[C
            aload 0 /* this */
            getfield net.bytebuddy.utility.RandomString.random:Ljava/util/Random;
            getstatic net.bytebuddy.utility.RandomString.SYMBOL:[C
            arraylength
            invokevirtual java.util.Random.nextInt:(I)I
            caload
            castore
         4: .line 131
            iinc 2 /* index */ 1
      StackMap locals:
      StackMap stack:
         5: iload 2 /* index */
            aload 0 /* this */
            getfield net.bytebuddy.utility.RandomString.length:I
            if_icmplt 3
        end local 2 // int index
         6: .line 134
            new java.lang.String
            dup
            aload 1 /* buffer */
            invokespecial java.lang.String.<init>:([C)V
            areturn
        end local 1 // char[] buffer
        end local 0 // net.bytebuddy.utility.RandomString this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0    this  Lnet/bytebuddy/utility/RandomString;
            1    7     1  buffer  [C
            2    6     2   index  I
}
SourceFile: "RandomString.java"