hcsp · DomiPapa · Dec 9, 2021 · Dec 9, 2021 · Dec 9, 2021
diff --git 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 -classpath commons-lang3-3.9.jar StringIsBlank.java
+java -classpath commons-lang3-3.9.jar:. StringIsBlank "" " " "*"
diff --git a/read-env-variable-system-property/ReadEnvironmentVariableAndSystemProperty.java b/read-env-variable-system-property/ReadEnvironmentVariableAndSystemProperty.java
@@ -3,4 +3,4 @@ public static void main(String[] args) {
     System.out.println("Environment variable AAA: " + System.getenv("AAA"));
     System.out.println("System property BBB: " + System.getProperty("BBB"));
   }
-}
+}
diff --git a/read-env-variable-system-property/solution.sh b/read-env-variable-system-property/solution.sh
@@ -6,3 +6,7 @@
 # 使得该java命令输出：
 # Environment variable AAA: $A;
 # System property BBB: '
+export AAA='$A;'
+#echo $AAA
+javac ReadEnvironmentVariableAndSystemProperty.java
+java -DBBB="'" ReadEnvironmentVariableAndSystemProperty
diff --git 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
-Original file line number
+Diff line change
@@ Expand Up / @@ -3,4 +3,4 @@ public static void main(String[] args) { @@
         System.out.println("Environment variable AAA: " + System.getenv("AAA"));
         System.out.println("System property BBB: " + System.getProperty("BBB"));
       }
-    }
+    }