From 03ebbcec5b9abdf4e291e940448ee43b5a9ad431 Mon Sep 17 00:00:00 2001
From: GrumpyCitizenBear <1049378767@qq.com>
Date: Wed, 20 Oct 2021 08:39:58 +0800
Subject: [PATCH] =?UTF-8?q?javac=E4=B8=8Ejava=E5=91=BD=E4=BB=A4=E7=BB=83?=
 =?UTF-8?q?=E4=B9=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 compile-run-with-classpath/solution.sh        | 2 ++
 read-env-variable-system-property/solution.sh | 3 +++
 system-out-system-err/solution.sh             | 2 ++
 3 files changed, 7 insertions(+)

diff --git a/compile-run-with-classpath/solution.sh b/compile-run-with-classpath/solution.sh
index 292074f..9ff0c1b 100644
--- a/compile-run-with-classpath/solution.sh
+++ b/compile-run-with-classpath/solution.sh
@@ -7,3 +7,5 @@
 # First argument is blank: true
 # Second argument is blank: true
 # Third argument is blank: false
+javac -cp commons-lang3-3.9.jar StringIsBlank
+java -classpath commons-lang3-3.9.jar:. StringIsBlank "" ' ' '*'
\ No newline at end of file
diff --git a/read-env-variable-system-property/solution.sh b/read-env-variable-system-property/solution.sh
index 1dfb638..028fe01 100644
--- a/read-env-variable-system-property/solution.sh
+++ b/read-env-variable-system-property/solution.sh
@@ -6,3 +6,6 @@
 # 使得该java命令输出：
 # Environment variable AAA: $A;
 # System property BBB: '
+export AAA='$A;'
+javac ReadEnvironmentVariableAndSystemProperty
+java -DBBB="'" ReadEnvironmentVariableAndSystemProperty
diff --git a/system-out-system-err/solution.sh b/system-out-system-err/solution.sh
index 5cdeb2b..f851455 100644
--- a/system-out-system-err/solution.sh
+++ b/system-out-system-err/solution.sh
@@ -2,3 +2,5 @@
 # 请在这里编写两条命令：
 # 1. 在当前目录中，使用javac命令编译PrintSystemOutSystemErr.java
 # 2. 在当前目录中，使用java命令运行PrintSystemOutSystemErr，使其标准输出和标准错误都重定向到当前目录下一个名为output.txt的文件中
+javac PrintSystemOutSystemErr.java
+java PrintSystemOutSystemErr.java > output.txt 2>&1
\ No newline at end of file