java/11 : java.base/java/util/StringJoiner.class

StringJoiner
https://openjdk.java.net/
GPLv2 + Classpath Exception
public final class java.util.StringJoiner
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: java.util.StringJoiner
  super_class: java.lang.Object
{
  private final java.lang.String prefix;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String delimiter;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String suffix;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private java.lang.String[] elts;
    descriptor: [Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  private int size;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private int len;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private java.lang.String emptyValue;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.util.StringJoiner this
        start local 1 // java.lang.CharSequence delimiter
         0: .line 100
            aload 0 /* this */
            aload 1 /* delimiter */
            ldc ""
            ldc ""
            invokespecial java.util.StringJoiner.<init>:(Ljava/lang/CharSequence;Ljava/lang/CharSequence;Ljava/lang/CharSequence;)V
         1: .line 101
            return
        end local 1 // java.lang.CharSequence delimiter
        end local 0 // java.util.StringJoiner this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Ljava/util/StringJoiner;
            0    2     1  delimiter  Ljava/lang/CharSequence;
    MethodParameters:
           Name  Flags
      delimiter  

  public void <init>(java.lang.CharSequence, java.lang.CharSequence, java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;Ljava/lang/CharSequence;Ljava/lang/CharSequence;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // java.util.StringJoiner this
        start local 1 // java.lang.CharSequence delimiter
        start local 2 // java.lang.CharSequence prefix
        start local 3 // java.lang.CharSequence suffix
         0: .line 118
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 121
            aload 2 /* prefix */
            ldc "The prefix must not be null"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         2: .line 122
            aload 1 /* delimiter */
            ldc "The delimiter must not be null"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         3: .line 123
            aload 3 /* suffix */
            ldc "The suffix must not be null"
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            pop
         4: .line 125
            aload 0 /* this */
            aload 2 /* prefix */
            invokeinterface java.lang.CharSequence.toString:()Ljava/lang/String;
            putfield java.util.StringJoiner.prefix:Ljava/lang/String;
         5: .line 126
            aload 0 /* this */
            aload 1 /* delimiter */
            invokeinterface java.lang.CharSequence.toString:()Ljava/lang/String;
            putfield java.util.StringJoiner.delimiter:Ljava/lang/String;
         6: .line 127
            aload 0 /* this */
            aload 3 /* suffix */
            invokeinterface java.lang.CharSequence.toString:()Ljava/lang/String;
            putfield java.util.StringJoiner.suffix:Ljava/lang/String;
         7: .line 128
            return
        end local 3 // java.lang.CharSequence suffix
        end local 2 // java.lang.CharSequence prefix
        end local 1 // java.lang.CharSequence delimiter
        end local 0 // java.util.StringJoiner this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    8     0       this  Ljava/util/StringJoiner;
            0    8     1  delimiter  Ljava/lang/CharSequence;
            0    8     2     prefix  Ljava/lang/CharSequence;
            0    8     3     suffix  Ljava/lang/CharSequence;
    MethodParameters:
           Name  Flags
      delimiter  
      prefix     
      suffix     

  public java.util.StringJoiner setEmptyValue(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Ljava/util/StringJoiner;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.util.StringJoiner this
        start local 1 // java.lang.CharSequence emptyValue
         0: .line 145
            aload 0 /* this */
            aload 1 /* emptyValue */
         1: .line 146
            ldc "The empty value must not be null"
         2: .line 145
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            checkcast java.lang.CharSequence
         3: .line 146
            invokeinterface java.lang.CharSequence.toString:()Ljava/lang/String;
         4: .line 145
            putfield java.util.StringJoiner.emptyValue:Ljava/lang/String;
         5: .line 147
            aload 0 /* this */
            areturn
        end local 1 // java.lang.CharSequence emptyValue
        end local 0 // java.util.StringJoiner this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0        this  Ljava/util/StringJoiner;
            0    6     1  emptyValue  Ljava/lang/CharSequence;
    MethodParameters:
            Name  Flags
      emptyValue  

  private static int getChars(java.lang.String, char[], int);
    descriptor: (Ljava/lang/String;[CI)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // java.lang.String s
        start local 1 // char[] chars
        start local 2 // int start
         0: .line 151
            aload 0 /* s */
            invokevirtual java.lang.String.length:()I
            istore 3 /* len */
        start local 3 // int len
         1: .line 152
            aload 0 /* s */
            iconst_0
            iload 3 /* len */
            aload 1 /* chars */
            iload 2 /* start */
            invokevirtual java.lang.String.getChars:(II[CI)V
         2: .line 153
            iload 3 /* len */
            ireturn
        end local 3 // int len
        end local 2 // int start
        end local 1 // char[] chars
        end local 0 // java.lang.String s
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0      s  Ljava/lang/String;
            0    3     1  chars  [C
            0    3     2  start  I
            1    3     3    len  I
    MethodParameters:
       Name  Flags
      s      
      chars  
      start  

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=8, args_size=1
        start local 0 // java.util.StringJoiner this
         0: .line 166
            aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            astore 1 /* elts */
        start local 1 // java.lang.String[] elts
         1: .line 167
            aload 1 /* elts */
            ifnonnull 3
            aload 0 /* this */
            getfield java.util.StringJoiner.emptyValue:Ljava/lang/String;
            ifnull 3
         2: .line 168
            aload 0 /* this */
            getfield java.util.StringJoiner.emptyValue:Ljava/lang/String;
            areturn
         3: .line 170
      StackMap locals: java.lang.String[]
      StackMap stack:
            aload 0 /* this */
            getfield java.util.StringJoiner.size:I
            istore 2 /* size */
        start local 2 // int size
         4: .line 171
            aload 0 /* this */
            getfield java.util.StringJoiner.prefix:Ljava/lang/String;
            invokevirtual java.lang.String.length:()I
            aload 0 /* this */
            getfield java.util.StringJoiner.suffix:Ljava/lang/String;
            invokevirtual java.lang.String.length:()I
            iadd
            istore 3 /* addLen */
        start local 3 // int addLen
         5: .line 172
            iload 3 /* addLen */
            ifne 10
         6: .line 173
            aload 0 /* this */
            invokevirtual java.util.StringJoiner.compactElts:()V
         7: .line 174
            iload 2 /* size */
            ifne 8
            ldc ""
            goto 9
      StackMap locals: int int
      StackMap stack:
         8: aload 1 /* elts */
            iconst_0
            aaload
      StackMap locals:
      StackMap stack: java.lang.String
         9: areturn
        10: .line 176
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.StringJoiner.delimiter:Ljava/lang/String;
            astore 4 /* delimiter */
        start local 4 // java.lang.String delimiter
        11: .line 177
            aload 0 /* this */
            getfield java.util.StringJoiner.len:I
            iload 3 /* addLen */
            iadd
            newarray 5
            astore 5 /* chars */
        start local 5 // char[] chars
        12: .line 178
            aload 0 /* this */
            getfield java.util.StringJoiner.prefix:Ljava/lang/String;
            aload 5 /* chars */
            iconst_0
            invokestatic java.util.StringJoiner.getChars:(Ljava/lang/String;[CI)I
            istore 6 /* k */
        start local 6 // int k
        13: .line 179
            iload 2 /* size */
            ifle 21
        14: .line 180
            iload 6 /* k */
            aload 1 /* elts */
            iconst_0
            aaload
            aload 5 /* chars */
            iload 6 /* k */
            invokestatic java.util.StringJoiner.getChars:(Ljava/lang/String;[CI)I
            iadd
            istore 6 /* k */
        15: .line 181
            iconst_1
            istore 7 /* i */
        start local 7 // int i
        16: goto 20
        17: .line 182
      StackMap locals: java.util.StringJoiner java.lang.String[] int int java.lang.String char[] int int
      StackMap stack:
            iload 6 /* k */
            aload 4 /* delimiter */
            aload 5 /* chars */
            iload 6 /* k */
            invokestatic java.util.StringJoiner.getChars:(Ljava/lang/String;[CI)I
            iadd
            istore 6 /* k */
        18: .line 183
            iload 6 /* k */
            aload 1 /* elts */
            iload 7 /* i */
            aaload
            aload 5 /* chars */
            iload 6 /* k */
            invokestatic java.util.StringJoiner.getChars:(Ljava/lang/String;[CI)I
            iadd
            istore 6 /* k */
        19: .line 181
            iinc 7 /* i */ 1
      StackMap locals:
      StackMap stack:
        20: iload 7 /* i */
            iload 2 /* size */
            if_icmplt 17
        end local 7 // int i
        21: .line 186
      StackMap locals:
      StackMap stack:
            iload 6 /* k */
            aload 0 /* this */
            getfield java.util.StringJoiner.suffix:Ljava/lang/String;
            aload 5 /* chars */
            iload 6 /* k */
            invokestatic java.util.StringJoiner.getChars:(Ljava/lang/String;[CI)I
            iadd
            istore 6 /* k */
        22: .line 187
            new java.lang.String
            dup
            aload 5 /* chars */
            invokespecial java.lang.String.<init>:([C)V
            areturn
        end local 6 // int k
        end local 5 // char[] chars
        end local 4 // java.lang.String delimiter
        end local 3 // int addLen
        end local 2 // int size
        end local 1 // java.lang.String[] elts
        end local 0 // java.util.StringJoiner this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   23     0       this  Ljava/util/StringJoiner;
            1   23     1       elts  [Ljava/lang/String;
            4   23     2       size  I
            5   23     3     addLen  I
           11   23     4  delimiter  Ljava/lang/String;
           12   23     5      chars  [C
           13   23     6          k  I
           16   21     7          i  I

  public java.util.StringJoiner add(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Ljava/util/StringJoiner;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.util.StringJoiner this
        start local 1 // java.lang.CharSequence newElement
         0: .line 199
            aload 1 /* newElement */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            astore 2 /* elt */
        start local 2 // java.lang.String elt
         1: .line 200
            aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            ifnonnull 4
         2: .line 201
            aload 0 /* this */
            bipush 8
            anewarray java.lang.String
            putfield java.util.StringJoiner.elts:[Ljava/lang/String;
         3: .line 202
            goto 7
         4: .line 203
      StackMap locals: java.lang.String
      StackMap stack:
            aload 0 /* this */
            getfield java.util.StringJoiner.size:I
            aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            arraylength
            if_icmpne 6
         5: .line 204
            aload 0 /* this */
            aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            iconst_2
            aload 0 /* this */
            getfield java.util.StringJoiner.size:I
            imul
            invokestatic java.util.Arrays.copyOf:([Ljava/lang/Object;I)[Ljava/lang/Object;
            checkcast java.lang.String[]
            putfield java.util.StringJoiner.elts:[Ljava/lang/String;
         6: .line 205
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            getfield java.util.StringJoiner.len:I
            aload 0 /* this */
            getfield java.util.StringJoiner.delimiter:Ljava/lang/String;
            invokevirtual java.lang.String.length:()I
            iadd
            putfield java.util.StringJoiner.len:I
         7: .line 207
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            getfield java.util.StringJoiner.len:I
            aload 2 /* elt */
            invokevirtual java.lang.String.length:()I
            iadd
            putfield java.util.StringJoiner.len:I
         8: .line 208
            aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            aload 0 /* this */
            dup
            getfield java.util.StringJoiner.size:I
            dup_x1
            iconst_1
            iadd
            putfield java.util.StringJoiner.size:I
            aload 2 /* elt */
            aastore
         9: .line 209
            aload 0 /* this */
            areturn
        end local 2 // java.lang.String elt
        end local 1 // java.lang.CharSequence newElement
        end local 0 // java.util.StringJoiner this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   10     0        this  Ljava/util/StringJoiner;
            0   10     1  newElement  Ljava/lang/CharSequence;
            1   10     2         elt  Ljava/lang/String;
    MethodParameters:
            Name  Flags
      newElement  

  public java.util.StringJoiner merge(java.util.StringJoiner);
    descriptor: (Ljava/util/StringJoiner;)Ljava/util/StringJoiner;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.util.StringJoiner this
        start local 1 // java.util.StringJoiner other
         0: .line 232
            aload 1 /* other */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 233
            aload 1 /* other */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            ifnonnull 3
         2: .line 234
            aload 0 /* this */
            areturn
         3: .line 236
      StackMap locals:
      StackMap stack:
            aload 1 /* other */
            invokevirtual java.util.StringJoiner.compactElts:()V
         4: .line 237
            aload 0 /* this */
            aload 1 /* other */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            iconst_0
            aaload
            invokevirtual java.util.StringJoiner.add:(Ljava/lang/CharSequence;)Ljava/util/StringJoiner;
            areturn
        end local 1 // java.util.StringJoiner other
        end local 0 // java.util.StringJoiner this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Ljava/util/StringJoiner;
            0    5     1  other  Ljava/util/StringJoiner;
    MethodParameters:
       Name  Flags
      other  

  private void compactElts();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // java.util.StringJoiner this
         0: .line 241
            aload 0 /* this */
            getfield java.util.StringJoiner.size:I
            iconst_1
            if_icmple 11
         1: .line 242
            aload 0 /* this */
            getfield java.util.StringJoiner.len:I
            newarray 5
            astore 1 /* chars */
        start local 1 // char[] chars
         2: .line 243
            iconst_1
            istore 2 /* i */
        start local 2 // int i
         3: aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            iconst_0
            aaload
            aload 1 /* chars */
            iconst_0
            invokestatic java.util.StringJoiner.getChars:(Ljava/lang/String;[CI)I
            istore 3 /* k */
        start local 3 // int k
         4: .line 245
      StackMap locals: char[] int int
      StackMap stack:
            iload 3 /* k */
            aload 0 /* this */
            getfield java.util.StringJoiner.delimiter:Ljava/lang/String;
            aload 1 /* chars */
            iload 3 /* k */
            invokestatic java.util.StringJoiner.getChars:(Ljava/lang/String;[CI)I
            iadd
            istore 3 /* k */
         5: .line 246
            iload 3 /* k */
            aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            iload 2 /* i */
            aaload
            aload 1 /* chars */
            iload 3 /* k */
            invokestatic java.util.StringJoiner.getChars:(Ljava/lang/String;[CI)I
            iadd
            istore 3 /* k */
         6: .line 247
            aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            iload 2 /* i */
            aconst_null
            aastore
         7: .line 248
            iinc 2 /* i */ 1
            iload 2 /* i */
            aload 0 /* this */
            getfield java.util.StringJoiner.size:I
         8: .line 244
            if_icmplt 4
         9: .line 249
            aload 0 /* this */
            iconst_1
            putfield java.util.StringJoiner.size:I
        10: .line 250
            aload 0 /* this */
            getfield java.util.StringJoiner.elts:[Ljava/lang/String;
            iconst_0
            new java.lang.String
            dup
            aload 1 /* chars */
            invokespecial java.lang.String.<init>:([C)V
            aastore
        end local 3 // int k
        end local 2 // int i
        end local 1 // char[] chars
        11: .line 252
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.util.StringJoiner this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   12     0   this  Ljava/util/StringJoiner;
            2   11     1  chars  [C
            3   11     2      i  I
            4   11     3      k  I

  public int length();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.util.StringJoiner this
         0: .line 265
            aload 0 /* this */
            getfield java.util.StringJoiner.size:I
            ifne 1
            aload 0 /* this */
            getfield java.util.StringJoiner.emptyValue:Ljava/lang/String;
            ifnull 1
            aload 0 /* this */
            getfield java.util.StringJoiner.emptyValue:Ljava/lang/String;
            invokevirtual java.lang.String.length:()I
            goto 2
         1: .line 266
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.util.StringJoiner.len:I
            aload 0 /* this */
            getfield java.util.StringJoiner.prefix:Ljava/lang/String;
            invokevirtual java.lang.String.length:()I
            iadd
            aload 0 /* this */
            getfield java.util.StringJoiner.suffix:Ljava/lang/String;
            invokevirtual java.lang.String.length:()I
            iadd
         2: .line 265
      StackMap locals:
      StackMap stack: int
            ireturn
        end local 0 // java.util.StringJoiner this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/util/StringJoiner;
}
SourceFile: "StringJoiner.java"
/

java/ 11/ java.base/java/util/StringJoiner.class
