IO

java.io.File provide several methods to get or set file permissions in java code. But the drawback of java.io.File ‘s methods is that it can only separate file permission into two groups which is owner or all users. So java 7 introduce java.nio.file.attribute.PosixFilePermission which provide methods that can let you define file permission more accurately for different […]

If you want to make your java code platform-independent, especially for java file operation, you should know java file separators. There are four separators by default, they are : File.separator, File.separatorChar, File.pathSeparator and File.pathSeparatorChar. We will introduce them one by one.