From 9bfc4a8862b0d13b37a3650ae7a6a29acb032ee3 Mon Sep 17 00:00:00 2001
From: chenlw <874313221@qq.com>
Date: Wed, 21 Dec 2016 09:58:41 +0800
Subject: [PATCH] ..

---
 test/com/platform/test/SetTest.java | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/com/platform/test/SetTest.java

diff --git a/test/com/platform/test/SetTest.java b/test/com/platform/test/SetTest.java
new file mode 100644
index 00000000..b8489343
--- /dev/null
+++ b/test/com/platform/test/SetTest.java
@@ -0,0 +1,25 @@
+package com.platform.test;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.junit.Test;
+
+public class SetTest {
+	
+	@Test
+	public void testSet() {
+		Set<String> set = new HashSet<String>();
+		set.add("a");
+		set.add("a");
+		set.add("b");
+		set.add("c");
+		System.out.println(set.size());
+		set.remove("c");
+		System.out.println(set.size());
+		set.remove("a");
+		System.out.println(set.size());
+
+	}
+
+}