Gets a 2-byte UTF-16 character at the current {@code readerIndex} and increases the {@code readerIndex} by {@code 2} in this buffer.
@throws IndexOutOfBoundsException if {@code this.readableBytes} is less than {@code 2}
See Implementation
Gets a 2-byte UTF-16 character at the current {@code readerIndex} and increases the {@code readerIndex} by {@code 2} in this buffer.
@throws IndexOutOfBoundsException if {@code this.readableBytes} is less than {@code 2}