Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.csv; /** * Constants for this package. * * @version $Id$ */ final class Constants { static final char BACKSPACE = '\b'; static final char COMMA = ','; /** * Starts a comment, the remainder of the line is the comment. */ static final char COMMENT = '#'; static final char CR = '\r'; static final Character DOUBLE_QUOTE_CHAR = Character.valueOf('"'); static final char BACKSLASH = '\\'; static final char FF = '\f'; static final char LF = '\n'; static final char SP = ' '; static final char TAB = '\t'; /** ASCII record separator */ static final char RS = 30; /** ASCII unit separator */ static final char US = 31; static final String EMPTY = ""; /** The end of stream symbol */ static final int END_OF_STREAM = -1; /** Undefined state for the lookahead char */ static final int UNDEFINED = -2; /** According to RFC 4180, line breaks are delimited by CRLF */ static final String CRLF = "\r\n"; /** * Unicode line separator. */ static final String LINE_SEPARATOR = "\u2028"; /** * Unicode paragraph separator. */ static final String PARAGRAPH_SEPARATOR = "\u2029"; /** * Unicode next line. */ static final String NEXT_LINE = "\u0085"; }