From 9edd3a0ca62f6cb7f9349861505deadd252c0a4b Mon Sep 17 00:00:00 2001
From: Kudzu <kudzues@outlook.com>
Date: Mon, 18 Aug 2025 23:16:42 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AC=94=E8=AE=B0=E5=A4=87=E4=BB=BD=EF=BC=9A20?=
 =?UTF-8?q?25-08-18=2023:16:42?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .obsidian/plugins/keep-the-rhythm/data.json |  4 ++--
 A1-Work/语言/Java/基础学习.md               | 13 +++++++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/.obsidian/plugins/keep-the-rhythm/data.json b/.obsidian/plugins/keep-the-rhythm/data.json
index b40d059..eed3748 100644
--- a/.obsidian/plugins/keep-the-rhythm/data.json
+++ b/.obsidian/plugins/keep-the-rhythm/data.json
@@ -511,11 +511,11 @@
         }
       },
       "2025-08-18": {
-        "totalDelta": 334,
+        "totalDelta": 461,
         "files": {
           "A1-Work/语言/Java/基础学习.md": {
             "initial": 7534,
-            "current": 7868
+            "current": 7995
           }
         }
       }
diff --git a/A1-Work/语言/Java/基础学习.md b/A1-Work/语言/Java/基础学习.md
index 947b9e0..efc2006 100644
--- a/A1-Work/语言/Java/基础学习.md
+++ b/A1-Work/语言/Java/基础学习.md
@@ -319,3 +319,16 @@ Error 为系统内部错误，不应该由应用程序抛出，应用程序应
 > [!warning] 注意
 > 一个方法必须声明所有可能抛出的已检查异常，而未检查异常要么不可控（Error），要么就避免发生（RuntimeException）。
 
+
+
+## JDK 特性
+
+### JDK7
+1. 合并的 `catch` 子句：
+```Java
+try {
+    code
+} catch (FileNotFoundException | UnknownHostException e) {
+    code
+}
+```
\ No newline at end of file