From 3a504a1274a85379146852f1c0d3b1a83a3e569f Mon Sep 17 00:00:00 2001
From: XuKaiQuan <964262001@qq.com>
Date: Sat, 19 Dec 2020 10:41:35 +0800
Subject: [PATCH 1/4] =?UTF-8?q?javac=E4=B8=8Ejava=E5=91=BD=E4=BB=A4?=
 =?UTF-8?q?=E7=BB=83=E4=B9=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 compile-run-with-classpath/solution.sh        | 3 +++
 read-env-variable-system-property/solution.sh | 3 +++
 system-out-system-err/solution.sh             | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/compile-run-with-classpath/solution.sh b/compile-run-with-classpath/solution.sh
index 292074f..772259f 100644
--- a/compile-run-with-classpath/solution.sh
+++ b/compile-run-with-classpath/solution.sh
@@ -7,3 +7,6 @@
 # First argument is blank: true
 # Second argument is blank: true
 # Third argument is blank: false
+a= '*'
+javac -cp commons-lang3-3.9.jar StringIsBlank.java
+java -cp ./commons-lang3-3.9.jar:.   StringIsBlank "" ' ' a
diff --git a/read-env-variable-system-property/solution.sh b/read-env-variable-system-property/solution.sh
index 1dfb638..029d052 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
+java -DBBB="'" ReadEnvironmentVariableAndSystemProperty
\ No newline at end of file
diff --git a/system-out-system-err/solution.sh b/system-out-system-err/solution.sh
index 5cdeb2b..b96c5b0 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 > output.txt 2>&1
\ No newline at end of file

From 92ab258006268eb99fa5d46bc52167205e057a49 Mon Sep 17 00:00:00 2001
From: XuKaiQuan <964262001@qq.com>
Date: Sat, 19 Dec 2020 10:43:18 +0800
Subject: [PATCH 2/4] =?UTF-8?q?javac=E4=B8=8Ejava=E5=91=BD=E4=BB=A4?=
 =?UTF-8?q?=E7=BB=83=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 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compile-run-with-classpath/solution.sh b/compile-run-with-classpath/solution.sh
index 772259f..7e97f3b 100644
--- a/compile-run-with-classpath/solution.sh
+++ b/compile-run-with-classpath/solution.sh
@@ -7,6 +7,6 @@
 # First argument is blank: true
 # Second argument is blank: true
 # Third argument is blank: false
-a= '*'
+a='*'
 javac -cp commons-lang3-3.9.jar StringIsBlank.java
 java -cp ./commons-lang3-3.9.jar:.   StringIsBlank "" ' ' a

From d6190a7b9647f835175cde1c70066a762a8a6cb8 Mon Sep 17 00:00:00 2001
From: XuKaiQuan <964262001@qq.com>
Date: Sat, 19 Dec 2020 10:45:31 +0800
Subject: [PATCH 3/4] =?UTF-8?q?javac=E4=B8=8Ejava=E5=91=BD=E4=BB=A4?=
 =?UTF-8?q?=E7=BB=83=E4=B9=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 compile-run-with-classpath/solution.sh        | 1 +
 read-env-variable-system-property/solution.sh | 2 +-
 system-out-system-err/solution.sh             | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/compile-run-with-classpath/solution.sh b/compile-run-with-classpath/solution.sh
index 7e97f3b..d7af4e4 100644
--- a/compile-run-with-classpath/solution.sh
+++ b/compile-run-with-classpath/solution.sh
@@ -10,3 +10,4 @@
 a='*'
 javac -cp commons-lang3-3.9.jar StringIsBlank.java
 java -cp ./commons-lang3-3.9.jar:.   StringIsBlank "" ' ' a
+
diff --git a/read-env-variable-system-property/solution.sh b/read-env-variable-system-property/solution.sh
index 029d052..6468525 100644
--- a/read-env-variable-system-property/solution.sh
+++ b/read-env-variable-system-property/solution.sh
@@ -8,4 +8,4 @@
 # System property BBB: '
 export AAA='$A'
 javac ReadEnvironmentVariableAndSystemProperty.java
-java -DBBB="'" ReadEnvironmentVariableAndSystemProperty
\ No newline at end of file
+java -DBBB="'" ReadEnvironmentVariableAndSystemProperty
diff --git a/system-out-system-err/solution.sh b/system-out-system-err/solution.sh
index b96c5b0..13d9256 100644
--- a/system-out-system-err/solution.sh
+++ b/system-out-system-err/solution.sh
@@ -3,4 +3,4 @@
 # 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 > output.txt 2>&1
\ No newline at end of file
+java PrintSystemOutSystemErr > output.txt 2>&1

From e51d774d36777c60bc00067c9ca6aebd4b73b557 Mon Sep 17 00:00:00 2001
From: XuKaiQuan <964262001@qq.com>
Date: Sat, 19 Dec 2020 10:49:44 +0800
Subject: [PATCH 4/4] =?UTF-8?q?javac=E4=B8=8Ejava=E5=91=BD=E4=BB=A4?=
 =?UTF-8?q?=E7=BB=83=E4=B9=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

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

diff --git a/compile-run-with-classpath/solution.sh b/compile-run-with-classpath/solution.sh
index d7af4e4..66fe8da 100644
--- a/compile-run-with-classpath/solution.sh
+++ b/compile-run-with-classpath/solution.sh
@@ -7,7 +7,6 @@
 # First argument is blank: true
 # Second argument is blank: true
 # Third argument is blank: false
-a='*'
 javac -cp commons-lang3-3.9.jar StringIsBlank.java
-java -cp ./commons-lang3-3.9.jar:.   StringIsBlank "" ' ' a
+java -cp commons-lang3-3.9.jar:. StringIsBlank "" " " "*"
 
diff --git a/read-env-variable-system-property/solution.sh b/read-env-variable-system-property/solution.sh
index 6468525..200b68d 100644
--- a/read-env-variable-system-property/solution.sh
+++ b/read-env-variable-system-property/solution.sh
@@ -6,6 +6,6 @@
 # 使得该java命令输出：
 # Environment variable AAA: $A;
 # System property BBB: '
-export AAA='$A'
+export AAA='$A;'
 javac ReadEnvironmentVariableAndSystemProperty.java
 java -DBBB="'" ReadEnvironmentVariableAndSystemProperty