DataInputStream在Java 中的功能有哪些

DataInputStream(InputStream in)final int  read(byte[] buffer, int offset, int length)final int  read(byte[] buffer)final boolean  readBoolean()final byte  readByte()final char  readChar()final double  readDouble()final float  readFloat()final void  readFully(byte[] dst)final void  readFully(byte[] dst, int offset, int byteCount)final int  readInt()final String  readLine()final long  readLong()final short  readShort()final static String  readUTF(DataInput in)final String  readUTF()final int  readUnsignedByte()final int  readUnsignedShort()final int  skipBytes(int count)