From d4b24c30d4654b6fc5e6eefc8dc4fd0d2ed73a95 Mon Sep 17 00:00:00 2001
From: pj3q7x5mz <1732875197@qq.com>
Date: Thu, 17 Nov 2022 11:21:49 +0800
Subject: [PATCH] ADD file via upload

---
 ...� - 多线程基础（3）线程同步.txt | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Java高级特性 - 多线程基础（3）线程同步.txt

diff --git a/Java高级特性 - 多线程基础（3）线程同步.txt b/Java高级特性 - 多线程基础（3）线程同步.txt
new file mode 100644
index 0000000..822cbad
--- /dev/null
+++ b/Java高级特性 - 多线程基础（3）线程同步.txt	
@@ -0,0 +1,36 @@
+1.使用synchronized关键字同步线程
+package step2;
+
+public class Task {
+
+	public static void main(String[] args) {
+
+		final insertData insert = new insertData();
+
+		for (int i = 0; i < 3; i++) {
+			new Thread(new Runnable() {
+				public void run() {
+					insert.insert(Thread.currentThread());
+				}
+			}).start();
+		}
+
+	}
+}
+
+class insertData {
+
+	public static int num = 0;
+
+	/********* Begin *********/
+	public synchronized void insert(Thread thread) {
+
+		for (int i = 0; i <= 5; i++) {
+			num++;
+			System.out.println(num);
+		}
+	}
+
+	/********* End *********/
+}
+