https://tomcat.apache.org/: JSP package 
public abstract class javax.servlet.jsp.JspWriter extends java.io.Writer
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: javax.servlet.jsp.JspWriter
  super_class: java.io.Writer
{
  public static final int NO_BUFFER;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  public static final int DEFAULT_BUFFER;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: -1

  public static final int UNBOUNDED_BUFFER;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: -2

  protected int bufferSize;
    descriptor: I
    flags: (0x0004) ACC_PROTECTED

  protected boolean autoFlush;
    descriptor: Z
    flags: (0x0004) ACC_PROTECTED

  protected void <init>(int, boolean);
    descriptor: (IZ)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // javax.servlet.jsp.JspWriter this
        start local 1 // int bufferSize
        start local 2 // boolean autoFlush
         0: .line 107
            aload 0 /* this */
            invokespecial java.io.Writer.<init>:()V
         1: .line 108
            aload 0 /* this */
            iload 1 /* bufferSize */
            putfield javax.servlet.jsp.JspWriter.bufferSize:I
         2: .line 109
            aload 0 /* this */
            iload 2 /* autoFlush */
            putfield javax.servlet.jsp.JspWriter.autoFlush:Z
         3: .line 110
            return
        end local 2 // boolean autoFlush
        end local 1 // int bufferSize
        end local 0 // javax.servlet.jsp.JspWriter this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Ljavax/servlet/jsp/JspWriter;
            0    4     1  bufferSize  I
            0    4     2   autoFlush  Z
    MethodParameters:
            Name  Flags
      bufferSize  
      autoFlush   

  public abstract void newLine();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public abstract void print(boolean);
    descriptor: (Z)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public abstract void print(char);
    descriptor: (C)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      c     

  public abstract void print(int);
    descriptor: (I)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public abstract void print(long);
    descriptor: (J)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      l     

  public abstract void print(float);
    descriptor: (F)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      f     

  public abstract void print(double);
    descriptor: (D)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      d     

  public abstract void print(char[]);
    descriptor: ([C)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      s     

  public abstract void print(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      s     

  public abstract void print(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      obj   

  public abstract void println();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public abstract void println(boolean);
    descriptor: (Z)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void println(char);
    descriptor: (C)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void println(int);
    descriptor: (I)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void println(long);
    descriptor: (J)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void println(float);
    descriptor: (F)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void println(double);
    descriptor: (D)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void println(char[]);
    descriptor: ([C)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void println(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void println(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      x     

  public abstract void clear();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public abstract void clearBuffer();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public abstract void flush();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public abstract void close();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException

  public int getBufferSize();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.servlet.jsp.JspWriter this
         0: .line 425
            aload 0 /* this */
            getfield javax.servlet.jsp.JspWriter.bufferSize:I
            ireturn
        end local 0 // javax.servlet.jsp.JspWriter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljavax/servlet/jsp/JspWriter;

  public abstract int getRemaining();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public boolean isAutoFlush();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // javax.servlet.jsp.JspWriter this
         0: .line 442
            aload 0 /* this */
            getfield javax.servlet.jsp.JspWriter.autoFlush:Z
            ireturn
        end local 0 // javax.servlet.jsp.JspWriter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljavax/servlet/jsp/JspWriter;
}
SourceFile: "JspWriter.java"