Lothar questions

Lothar answers

• converting an array of signed bytes to unsigned bytes [duplicate]
• Why does `javac -cp` not need `.`, while `java -cp` does?
• Java: Is there a way to put nested classes in a separate file?
• How to transform int to long in Java?
• How does BufferedReader read files from S3?
• Is there a specific way to give a certain subclass some functions of the superclass?
• Why are some some resources in Java not garbage collected and must be closed or autoclosed?
• Axis exception: o.a.axis2.transport.http.HTTPSender.sendViaPost(196) - Unable to sendViaPost - Connection refused
• Run java classes larger than 64k in an effort to solve a non linear system of equations [duplicate]
• How to download OpenJDK 8 source code from java.net