golb

Java

try catch with AutoCloseable

try(
// AutoCloseable here
) {

} catch(Expression e) {

}

Examples of stream

Input Output
FileInputStream FileOutputStream
BiteArrayInputStream BiteArrayOutputStream
BufferedInputStream BufferedOutputStream
DataInputStream DataOutputStream
ObjectInputStream ObjectOutputStream
PipedInputStream PipedOutputStream
GzipInputStream GzipOutputStream
SequenceInputStream SequenceOutputStream
AudioInputStream AudioOutputStream

Useful class

Use buffer with a file: FileReader->BufferedReader->Scanner

Protected, public private

Access Modifier Accessible Within Class Accessible Within Package Accessible in Subclass (Other Package) Accessible in Other Packages
public Yes Yes Yes Yes
protected Yes Yes Yes No
No keyword Yes Yes No No
private Yes No No No