public class sun.security.util.IOUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: sun.security.util.IOUtils
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // sun.security.util.IOUtils this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // sun.security.util.IOUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lsun/security/util/IOUtils;

  public static byte[] readExactlyNBytes(java.io.InputStream, int);
    descriptor: (Ljava/io/InputStream;I)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // java.io.InputStream is
        start local 1 // int length
         0: .line 56
            iload 1 /* length */
            ifge 2
         1: .line 57
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "length cannot be negative: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* length */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 59
      StackMap locals:
      StackMap stack:
            aload 0 /* is */
            iload 1 /* length */
            invokevirtual java.io.InputStream.readNBytes:(I)[B
            astore 2 /* data */
        start local 2 // byte[] data
         3: .line 60
            aload 2 /* data */
            arraylength
            iload 1 /* length */
            if_icmpge 5
         4: .line 61
            new java.io.EOFException
            dup
            invokespecial java.io.EOFException.<init>:()V
            athrow
         5: .line 63
      StackMap locals: byte[]
      StackMap stack:
            aload 2 /* data */
            areturn
        end local 2 // byte[] data
        end local 1 // int length
        end local 0 // java.io.InputStream is
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    6     0      is  Ljava/io/InputStream;
            0    6     1  length  I
            3    6     2    data  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      is      
      length  
}
SourceFile: "IOUtils.java"