From 50ebccf2b4dee639e8579956d6de923c1ecc5bdf Mon Sep 17 00:00:00 2001
From: hmao <hmao@users.noreply.github.com>
Date: Sun, 8 Nov 2020 04:36:18 -0800
Subject: [PATCH] Update Java1.md

---
 Java1.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Java1.md b/Java1.md
index b68e5a6..3855d2b 100644
--- a/Java1.md
+++ b/Java1.md
@@ -65,4 +65,18 @@ mark-and-sweep algorithm.
 内存整齐度：复制算法=标记/整理算法>标记/清除算法。  
 内存利用率：标记/整理算法=标记/清除算法>复制算法。 
 
+1. Parallel GC  
+-XX:+UseParallelGC
+2. Mostly Concurrent Mark and Sweep Garbage Collector  
+-XX:+UseConcMarkSweepGC
+3. G1 GC
+
+### NIO
+端口：进程  
+ip：计算机  
+
+
+
+
+