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xiachaochao · xiachaochao · commit bbe55a1672a5 · 2017-05-04T19:33:12.000+08:00
diff --git a/JavaBase/src/com/xinan/string01/StringDemo01.java b/JavaBase/src/com/xinan/string01/StringDemo01.java
@@ -0,0 +1,26 @@
+package com.xinan.string01;
+
+public class StringDemo01 {
+	public static void main(String[] args) {
+		String fileNames = "abc.java;hello.will.txt;hello.java;hello.class";
+		/*
+		 * String s1 = new String("abcd");
+		 * 
+		 * System.out.println(s == s1); System.out.println(s.trim());
+		 * System.out.println(s.replace('a', 'b'));
+		 * System.out.println(s.indexOf('b')); System.out.println(s.length());
+		 * 
+		 * System.out.println(s.charAt(5)); System.out.println(s.isEmpty());
+		 * System.out.println(s.indexOf('a'));
+		 */
+		String[] names = fileNames.split(";");
+		for (String name : names) {
+			if (name.startsWith("hello")) {
+				int index = name.lastIndexOf(".");
+				String newName = name.substring(index);
+				System.out.println(newName);
+			}
+		}
+	}
+
+}
