增加淘宝群内容，修改部分文件组织

数据结构(双语)/数据结构 day16【瑞客论坛 www.ruike1.com】/代码/09-集合/src/com/mj/file/FileInfo.java

@@ -0,0 +1,47 @@
+package com.mj.file;
+
+public class FileInfo {
+	private int lines;
+	private int files;
+	private String content = "";
+	
+	public String[] words() {
+		return content.split("[^a-zA-Z]+");
+	}
+	
+	public int getFiles() {
+		return files;
+	}
+
+	public void setFiles(int files) {
+		this.files = files;
+	}
+
+	public int getLines() {
+		return lines;
+	}
+	
+	public void setLines(int lines) {
+		this.lines = lines;
+	}
+	
+	public String getContent() {
+		return content;
+	}
+
+	public void setContent(String content) {
+		this.content = content;
+	}
+
+	public FileInfo append(FileInfo info) {
+		if (info != null && info.lines > 0) {
+			this.files += info.files;
+			this.lines += info.lines;
+			this.content = new StringBuilder(this.content)
+					.append("\n")
+					.append(info.content)
+					.toString();
+		}
+		return this;
+	}
+}