System environment variable: JAVA_HOME: C: \ Program Files \ Java \ jdk1.8.0_161 \ bin \
User environment variable: JAVA_HOME: C: \ Program Files \ Java \ jdk1.8.0_161 \ bin \
Variable path: C: \ Program Files \ Java \ jdk1.8.0_161 \ bin; C: \ ProgramData \ Oracle \ Java \ javapath; C: \ Windows \ system32; C: \ Windows; C: \ Windows \ System32 \ Wbem; C: \ Windows \ System32 \ WindowsPowerShell \ v1.0 \; C: \ Program Files (x86) \ NVIDIA Corporation \ PhysX \ Common; C: \ Program Files (x86) \ GtkSharp \ 2.12 \ bin; C: \ Program Files \ nodejs \; C: \ Program Files \ Git \ cmd; C: \ Program Files \ RedHat \ java-1.8.0-openjdk-1.8.0.161-1 \ bin The problem is no find the following packages:
javaserver.java:10: error: can not find symbol HttpURLConnection connection = null; ^ symbol: class HttpURLConnection location: class server javaserver.java:14: error: can not find symbol URL url = new URL (targetURL); ^ symbol: class URL location: class server javaserver.java:14: error: can not find symbol URL url = new URL (targetURL); ^ symbol: class URL location: class server javaserver.java15: error: can not find symbol connection = (HttpURLConnection) url.openConnection (); ^ symbol: class HttpURLConnection location: class server javaserver.java:28: error: can not find symbol DataOutputStream wr = new DataOutputStream ( ^ symbol: class DataOutputStream location: class server javaserver.java:28: error: can not find symbol DataOutputStream wr = new DataOutputStream ( ^ symbol: class DataOutputStream location: class server javaserver.java:34: error: can not find symbol InputStream is = connection.getInputStream (); ^ symbol: class InputStream location: class server javaserver.java:35: error: can not find symbol BufferedReader rd = new BufferedReader (new InputStreamReader (is)); ^ symbol: class BufferedReader location: class server javaserver.java:35: error: can not find symbol BufferedReader rd = new BufferedReader (new InputStreamReader (is)); ^ symbol: class BufferedReader location: class server javaserver.java:35: error: can not find symbol BufferedReader rd = new BufferedReader (new InputStreamReader (is));
^ symbol: class InputStreamReader location: class server 11 errors