From c876577d065dac1f7b29cb543a27519d2b9e9cd4 Mon Sep 17 00:00:00 2001
From: pyh2if57b <15802626334@163.com>
Date: Tue, 14 Nov 2023 14:53:43 +0800
Subject: [PATCH] Add pro_02.java

---
 pro_02.java | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 pro_02.java

diff --git a/pro_02.java b/pro_02.java
new file mode 100644
index 0000000..790b9ab
--- /dev/null
+++ b/pro_02.java
@@ -0,0 +1,6 @@
+int i=0;//初始化 i为0
+while(i<10){//进入循环前先判断条件是否为true
+   System.out.println("hello world!");
+   i++;//每一次循环结束前i自增1
+}
+System.out.println("while循环结束了。i="+i);
\ No newline at end of file