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

FileReader
Scanner
PrintWriter
BufferedReader

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