http://commons.apache.org/proper/commons-lang/: Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang. (The Apache Software Foundation)
  • C. Scott Ananian
  • Chris Audley
  • Stephane Bailliez
  • Michael Becke
  • Benjamin Bentmann
  • Ola Berg
  • Nathan Beyer
  • Stefan Bodewig
  • Janek Bogucki
  • Mike Bowler
  • Sean Brown
  • Alexander Day Chaffee
  • Al Chou
  • Greg Coladonato
  • Maarten Coene
  • Justin Couch
  • Michael Davey
  • Norm Deane
  • Morgan Delagrange
  • Ringo De Smet
  • Russel Dittmar
  • Steve Downey
  • Matthias Eichel
  • Christopher Elkins
  • Chris Feldhacker
  • Roland Foerther
  • Pete Gieser
  • Jason Gritman
  • Matthew Hawthorne
  • Michael Heuer
  • Chas Honton
  • Chris Hyzer
  • Paul Jack
  • Marc Johnson
  • Shaun Kalley
  • Tetsuya Kaneuchi
  • Nissim Karpenstein
  • Ed Korthof
  • Holger Krauth
  • Rafal Krupinski
  • Rafal Krzewski
  • David Leppik
  • Eli Lindsey
  • Sven Ludwig
  • Craig R. McClanahan
  • Rand McNeely
  • Hendrik Maryns
  • Dave Meikle
  • Nikolay Metchev
  • Kasper Nielsen
  • Tim O'Brien
  • Brian S O'Neill
  • Andrew C. Oliver
  • Alban Peignier
  • Moritz Petersen
  • Dmitri Plotnikov
  • Neeme Praks
  • Eric Pugh
  • Stephen Putman
  • Travis Reeder
  • Antony Riley
  • Valentin Rocher
  • Scott Sanders
  • James Sawle
  • Ralph Schaer
  • Henning P. Schmiedehausen
  • Sean Schofield
  • Robert Scholte
  • Reuben Sivan
  • Ville Skytta
  • David M. Sledge
  • Michael A. Smith
  • Jan Sorensen
  • Glen Stampoultzis
  • Scott Stanchfield
  • Jon S. Stevens
  • Sean C. Sullivan
  • Ashwin Suresh
  • Helge Tesgaard
  • Arun Mammen Thomas
  • Masato Tezuka
  • Daniel Trebbien
  • Jeff Varszegi
  • Chris Webb
  • Mario Winterer
  • Stepan Koltsov
  • Holger Hoffstatte
  • Derek C. Ashmore
  • Sebastien Riou
  • Allon Mureinik
  • Adam Hooper
  • Chris Karcher
  • Michael Osipov
  • Thiago Andrade
  • Jonathan Baker
  • Mikhail Mazursky
  • Fabian Lange
  • Michał Kordas
  • Felipe Adorno
  • Adrian Ber
  • Mark Dacek
  • Daniel Rall (CollabNet, Inc.)
  • Stephen Colebourne (SITA ATS Ltd)
  • Henri Yandell ()
  • Steven Caswell ()
  • Robert Burrell Donkin ()
  • Gary D. Gregory
  • Fredrik Westermarck ()
  • James Carman (Carman Consulting, Inc.)
  • Niall Pemberton
  • Matt Benson
  • Joerg Schaible
  • Oliver Heger
  • Paul Benedict
  • Benedikt Ritter
  • Duncan Jones
  • Loic Guibert
  • Rob Tompkins 
public class org.apache.commons.lang3.CharSequenceUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.lang3.CharSequenceUtils
  super_class: java.lang.Object
{
  private static final int NOT_FOUND;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: -1

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.lang3.CharSequenceUtils this
         0: .line 38
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 39
            return
        end local 0 // org.apache.commons.lang3.CharSequenceUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/lang3/CharSequenceUtils;

  public static java.lang.CharSequence subSequence(java.lang.CharSequence, int);
    descriptor: (Ljava/lang/CharSequence;I)Ljava/lang/CharSequence;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.lang.CharSequence cs
        start local 1 // int start
         0: .line 57
            aload 0 /* cs */
            ifnonnull 1
            aconst_null
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* cs */
            iload 1 /* start */
            aload 0 /* cs */
            invokeinterface java.lang.CharSequence.length:()I
            invokeinterface java.lang.CharSequence.subSequence:(II)Ljava/lang/CharSequence;
      StackMap locals:
      StackMap stack: java.lang.CharSequence
         2: areturn
        end local 1 // int start
        end local 0 // java.lang.CharSequence cs
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0     cs  Ljava/lang/CharSequence;
            0    3     1  start  I
    MethodParameters:
       Name  Flags
      cs     final
      start  final

  static int indexOf(java.lang.CharSequence, int, int);
    descriptor: (Ljava/lang/CharSequence;II)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=8, args_size=3
        start local 0 // java.lang.CharSequence cs
        start local 1 // int searchChar
        start local 2 // int start
         0: .line 100
            aload 0 /* cs */
            instanceof java.lang.String
            ifeq 2
         1: .line 101
            aload 0 /* cs */
            checkcast java.lang.String
            iload 1 /* searchChar */
            iload 2 /* start */
            invokevirtual java.lang.String.indexOf:(II)I
            ireturn
         2: .line 103
      StackMap locals:
      StackMap stack:
            aload 0 /* cs */
            invokeinterface java.lang.CharSequence.length:()I
            istore 3 /* sz */
        start local 3 // int sz
         3: .line 104
            iload 2 /* start */
            ifge 5
         4: .line 105
            iconst_0
            istore 2 /* start */
         5: .line 107
      StackMap locals: int
      StackMap stack:
            iload 1 /* searchChar */
            ldc 65536
            if_icmpge 12
         6: .line 108
            iload 2 /* start */
            istore 4 /* i */
        start local 4 // int i
         7: goto 11
         8: .line 109
      StackMap locals: int
      StackMap stack:
            aload 0 /* cs */
            iload 4 /* i */
            invokeinterface java.lang.CharSequence.charAt:(I)C
            iload 1 /* searchChar */
            if_icmpne 10
         9: .line 110
            iload 4 /* i */
            ireturn
        10: .line 108
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        11: iload 4 /* i */
            iload 3 /* sz */
            if_icmplt 8
        end local 4 // int i
        12: .line 115
      StackMap locals:
      StackMap stack:
            iload 1 /* searchChar */
            ldc 1114111
            if_icmpgt 22
        13: .line 116
            iload 1 /* searchChar */
            invokestatic java.lang.Character.toChars:(I)[C
            astore 4 /* chars */
        start local 4 // char[] chars
        14: .line 117
            iload 2 /* start */
            istore 5 /* i */
        start local 5 // int i
        15: goto 21
        16: .line 118
      StackMap locals: char[] int
      StackMap stack:
            aload 0 /* cs */
            iload 5 /* i */
            invokeinterface java.lang.CharSequence.charAt:(I)C
            istore 6 /* high */
        start local 6 // char high
        17: .line 119
            aload 0 /* cs */
            iload 5 /* i */
            iconst_1
            iadd
            invokeinterface java.lang.CharSequence.charAt:(I)C
            istore 7 /* low */
        start local 7 // char low
        18: .line 120
            iload 6 /* high */
            aload 4 /* chars */
            iconst_0
            caload
            if_icmpne 20
            iload 7 /* low */
            aload 4 /* chars */
            iconst_1
            caload
            if_icmpne 20
        19: .line 121
            iload 5 /* i */
            ireturn
        end local 7 // char low
        end local 6 // char high
        20: .line 117
      StackMap locals:
      StackMap stack:
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
        21: iload 5 /* i */
            iload 3 /* sz */
            iconst_1
            isub
            if_icmplt 16
        end local 5 // int i
        end local 4 // char[] chars
        22: .line 125
      StackMap locals:
      StackMap stack:
            iconst_m1
            ireturn
        end local 3 // int sz
        end local 2 // int start
        end local 1 // int searchChar
        end local 0 // java.lang.CharSequence cs
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   23     0          cs  Ljava/lang/CharSequence;
            0   23     1  searchChar  I
            0   23     2       start  I
            3   23     3          sz  I
            7   12     4           i  I
           14   22     4       chars  [C
           15   22     5           i  I
           17   20     6        high  C
           18   20     7         low  C
    MethodParameters:
            Name  Flags
      cs          final
      searchChar  final
      start       

  static int indexOf(java.lang.CharSequence, java.lang.CharSequence, int);
    descriptor: (Ljava/lang/CharSequence;Ljava/lang/CharSequence;I)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // java.lang.CharSequence cs
        start local 1 // java.lang.CharSequence searchChar
        start local 2 // int start
         0: .line 137
            aload 0 /* cs */
            invokeinterface java.lang.CharSequence.toString:()Ljava/lang/String;
            aload 1 /* searchChar */
            invokeinterface java.lang.CharSequence.toString:()Ljava/lang/String;
            iload 2 /* start */
            invokevirtual java.lang.String.indexOf:(Ljava/lang/String;I)I
            ireturn
        end local 2 // int start
        end local 1 // java.lang.CharSequence searchChar
        end local 0 // java.lang.CharSequence cs
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0          cs  Ljava/lang/CharSequence;
            0    1     1  searchChar  Ljava/lang/CharSequence;
            0    1     2       start  I
    MethodParameters:
            Name  Flags
      cs          final
      searchChar  final
      start       final

  static int lastIndexOf(java.lang.CharSequence, int, int);
    descriptor: (Ljava/lang/CharSequence;II)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=8, args_size=3
        start local 0 // java.lang.CharSequence cs
        start local 1 // int searchChar
        start local 2 // int start
         0: .line 176
            aload 0 /* cs */
            instanceof java.lang.String
            ifeq 2
         1: .line 177
            aload 0 /* cs */
            checkcast java.lang.String
            iload 1 /* searchChar */
            iload 2 /* start */
            invokevirtual java.lang.String.lastIndexOf:(II)I
            ireturn
         2: .line 179
      StackMap locals:
      StackMap stack:
            aload 0 /* cs */
            invokeinterface java.lang.CharSequence.length:()I
            istore 3 /* sz */
        start local 3 // int sz
         3: .line 180
            iload 2 /* start */
            ifge 5
         4: .line 181
            iconst_m1
            ireturn
         5: .line 183
      StackMap locals: int
      StackMap stack:
            iload 2 /* start */
            iload 3 /* sz */
            if_icmplt 7
         6: .line 184
            iload 3 /* sz */
            iconst_1
            isub
            istore 2 /* start */
         7: .line 186
      StackMap locals:
      StackMap stack:
            iload 1 /* searchChar */
            ldc 65536
            if_icmpge 14
         8: .line 187
            iload 2 /* start */
            istore 4 /* i */
        start local 4 // int i
         9: goto 13
        10: .line 188
      StackMap locals: int
      StackMap stack:
            aload 0 /* cs */
            iload 4 /* i */
            invokeinterface java.lang.CharSequence.charAt:(I)C
            iload 1 /* searchChar */
            if_icmpne 12
        11: .line 189
            iload 4 /* i */
            ireturn
        12: .line 187
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ -1
      StackMap locals:
      StackMap stack:
        13: iload 4 /* i */
            ifge 10
        end local 4 // int i
        14: .line 195
      StackMap locals:
      StackMap stack:
            iload 1 /* searchChar */
            ldc 1114111
            if_icmpgt 26
        15: .line 196
            iload 1 /* searchChar */
            invokestatic java.lang.Character.toChars:(I)[C
            astore 4 /* chars */
        start local 4 // char[] chars
        16: .line 198
            iload 2 /* start */
            iload 3 /* sz */
            iconst_1
            isub
            if_icmpne 18
        17: .line 199
            iconst_m1
            ireturn
        18: .line 201
      StackMap locals: char[]
      StackMap stack:
            iload 2 /* start */
            istore 5 /* i */
        start local 5 // int i
        19: goto 25
        20: .line 202
      StackMap locals: int
      StackMap stack:
            aload 0 /* cs */
            iload 5 /* i */
            invokeinterface java.lang.CharSequence.charAt:(I)C
            istore 6 /* high */
        start local 6 // char high
        21: .line 203
            aload 0 /* cs */
            iload 5 /* i */
            iconst_1
            iadd
            invokeinterface java.lang.CharSequence.charAt:(I)C
            istore 7 /* low */
        start local 7 // char low
        22: .line 204
            aload 4 /* chars */
            iconst_0
            caload
            iload 6 /* high */
            if_icmpne 24
            aload 4 /* chars */
            iconst_1
            caload
            iload 7 /* low */
            if_icmpne 24
        23: .line 205
            iload 5 /* i */
            ireturn
        end local 7 // char low
        end local 6 // char high
        24: .line 201
      StackMap locals:
      StackMap stack:
            iinc 5 /* i */ -1
      StackMap locals:
      StackMap stack:
        25: iload 5 /* i */
            ifge 20
        end local 5 // int i
        end local 4 // char[] chars
        26: .line 209
      StackMap locals:
      StackMap stack:
            iconst_m1
            ireturn
        end local 3 // int sz
        end local 2 // int start
        end local 1 // int searchChar
        end local 0 // java.lang.CharSequence cs
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   27     0          cs  Ljava/lang/CharSequence;
            0   27     1  searchChar  I
            0   27     2       start  I
            3   27     3          sz  I
            9   14     4           i  I
           16   26     4       chars  [C
           19   26     5           i  I
           21   24     6        high  C
           22   24     7         low  C
    MethodParameters:
            Name  Flags
      cs          final
      searchChar  final
      start       

  static int lastIndexOf(java.lang.CharSequence, java.lang.CharSequence, int);
    descriptor: (Ljava/lang/CharSequence;Ljava/lang/CharSequence;I)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // java.lang.CharSequence cs
        start local 1 // java.lang.CharSequence searchChar
        start local 2 // int start
         0: .line 221
            aload 0 /* cs */
            invokeinterface java.lang.CharSequence.toString:()Ljava/lang/String;
            aload 1 /* searchChar */
            invokeinterface java.lang.CharSequence.toString:()Ljava/lang/String;
            iload 2 /* start */
            invokevirtual java.lang.String.lastIndexOf:(Ljava/lang/String;I)I
            ireturn
        end local 2 // int start
        end local 1 // java.lang.CharSequence searchChar
        end local 0 // java.lang.CharSequence cs
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0          cs  Ljava/lang/CharSequence;
            0    1     1  searchChar  Ljava/lang/CharSequence;
            0    1     2       start  I
    MethodParameters:
            Name  Flags
      cs          final
      searchChar  final
      start       final

  static char[] toCharArray(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)[C
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=4, args_size=1
        start local 0 // java.lang.CharSequence cs
         0: .line 240
            aload 0 /* cs */
            instanceof java.lang.String
            ifeq 2
         1: .line 241
            aload 0 /* cs */
            checkcast java.lang.String
            invokevirtual java.lang.String.toCharArray:()[C
            areturn
         2: .line 243
      StackMap locals:
      StackMap stack:
            aload 0 /* cs */
            invokeinterface java.lang.CharSequence.length:()I
            istore 1 /* sz */
        start local 1 // int sz
         3: .line 244
            aload 0 /* cs */
            invokeinterface java.lang.CharSequence.length:()I
            newarray 5
            astore 2 /* array */
        start local 2 // char[] array
         4: .line 245
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         5: goto 8
         6: .line 246
      StackMap locals: int char[] int
      StackMap stack:
            aload 2 /* array */
            iload 3 /* i */
            aload 0 /* cs */
            iload 3 /* i */
            invokeinterface java.lang.CharSequence.charAt:(I)C
            castore
         7: .line 245
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
         8: iload 3 /* i */
            iload 1 /* sz */
            if_icmplt 6
        end local 3 // int i
         9: .line 248
            aload 2 /* array */
            areturn
        end local 2 // char[] array
        end local 1 // int sz
        end local 0 // java.lang.CharSequence cs
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   10     0     cs  Ljava/lang/CharSequence;
            3   10     1     sz  I
            4   10     2  array  [C
            5    9     3      i  I
    MethodParameters:
      Name  Flags
      cs    final

  static boolean regionMatches(java.lang.CharSequence, boolean, int, java.lang.CharSequence, int, int);
    descriptor: (Ljava/lang/CharSequence;ZILjava/lang/CharSequence;II)Z
    flags: (0x0008) ACC_STATIC
    Code:
      stack=6, locals=13, args_size=6
        start local 0 // java.lang.CharSequence cs
        start local 1 // boolean ignoreCase
        start local 2 // int thisStart
        start local 3 // java.lang.CharSequence substring
        start local 4 // int start
        start local 5 // int length
         0: .line 264
            aload 0 /* cs */
            instanceof java.lang.String
            ifeq 2
            aload 3 /* substring */
            instanceof java.lang.String
            ifeq 2
         1: .line 265
            aload 0 /* cs */
            checkcast java.lang.String
            iload 1 /* ignoreCase */
            iload 2 /* thisStart */
            aload 3 /* substring */
            checkcast java.lang.String
            iload 4 /* start */
            iload 5 /* length */
            invokevirtual java.lang.String.regionMatches:(ZILjava/lang/String;II)Z
            ireturn
         2: .line 267
      StackMap locals:
      StackMap stack:
            iload 2 /* thisStart */
            istore 6 /* index1 */
        start local 6 // int index1
         3: .line 268
            iload 4 /* start */
            istore 7 /* index2 */
        start local 7 // int index2
         4: .line 269
            iload 5 /* length */
            istore 8 /* tmpLen */
        start local 8 // int tmpLen
         5: .line 272
            aload 0 /* cs */
            invokeinterface java.lang.CharSequence.length:()I
            iload 2 /* thisStart */
            isub
            istore 9 /* srcLen */
        start local 9 // int srcLen
         6: .line 273
            aload 3 /* substring */
            invokeinterface java.lang.CharSequence.length:()I
            iload 4 /* start */
            isub
            istore 10 /* otherLen */
        start local 10 // int otherLen
         7: .line 276
            iload 2 /* thisStart */
            iflt 8
            iload 4 /* start */
            iflt 8
            iload 5 /* length */
            ifge 9
         8: .line 277
      StackMap locals: java.lang.CharSequence int int java.lang.CharSequence int int int int int int int
      StackMap stack:
            iconst_0
            ireturn
         9: .line 281
      StackMap locals:
      StackMap stack:
            iload 9 /* srcLen */
            iload 5 /* length */
            if_icmplt 10
            iload 10 /* otherLen */
            iload 5 /* length */
            if_icmpge 20
        10: .line 282
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        11: .line 286
      StackMap locals:
      StackMap stack:
            aload 0 /* cs */
            iload 6 /* index1 */
            iinc 6 /* index1 */ 1
            invokeinterface java.lang.CharSequence.charAt:(I)C
            istore 11 /* c1 */
        start local 11 // char c1
        12: .line 287
            aload 3 /* substring */
            iload 7 /* index2 */
            iinc 7 /* index2 */ 1
            invokeinterface java.lang.CharSequence.charAt:(I)C
            istore 12 /* c2 */
        start local 12 // char c2
        13: .line 289
            iload 11 /* c1 */
            iload 12 /* c2 */
            if_icmpne 15
        14: .line 290
            goto 20
        15: .line 293
      StackMap locals: int int
      StackMap stack:
            iload 1 /* ignoreCase */
            ifne 17
        16: .line 294
            iconst_0
            ireturn
        17: .line 298
      StackMap locals:
      StackMap stack:
            iload 11 /* c1 */
            invokestatic java.lang.Character.toUpperCase:(C)C
            iload 12 /* c2 */
            invokestatic java.lang.Character.toUpperCase:(C)C
            if_icmpeq 20
        18: .line 299
            iload 11 /* c1 */
            invokestatic java.lang.Character.toLowerCase:(C)C
            iload 12 /* c2 */
            invokestatic java.lang.Character.toLowerCase:(C)C
            if_icmpeq 20
        19: .line 300
            iconst_0
            ireturn
        end local 12 // char c2
        end local 11 // char c1
        20: .line 285
      StackMap locals:
      StackMap stack:
            iload 8 /* tmpLen */
            iinc 8 /* tmpLen */ -1
            ifgt 11
        21: .line 304
            iconst_1
            ireturn
        end local 10 // int otherLen
        end local 9 // int srcLen
        end local 8 // int tmpLen
        end local 7 // int index2
        end local 6 // int index1
        end local 5 // int length
        end local 4 // int start
        end local 3 // java.lang.CharSequence substring
        end local 2 // int thisStart
        end local 1 // boolean ignoreCase
        end local 0 // java.lang.CharSequence cs
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   22     0          cs  Ljava/lang/CharSequence;
            0   22     1  ignoreCase  Z
            0   22     2   thisStart  I
            0   22     3   substring  Ljava/lang/CharSequence;
            0   22     4       start  I
            0   22     5      length  I
            3   22     6      index1  I
            4   22     7      index2  I
            5   22     8      tmpLen  I
            6   22     9      srcLen  I
            7   22    10    otherLen  I
           12   20    11          c1  C
           13   20    12          c2  C
    MethodParameters:
            Name  Flags
      cs          final
      ignoreCase  final
      thisStart   final
      substring   final
      start       final
      length      final
}
SourceFile: "CharSequenceUtils.java"