java run shell command
String homeDirectory = System.getProperty("user.home");
Process process;
if (isWindows) {
process = Runtime.getRuntime()
.exec(String.format("cmd.exe /c dir %s", homeDirectory));
} else {
process = Runtime.getRuntime()
.exec(String.format("sh -c ls %s", homeDirectory));
}
StreamGobbler streamGobbler =
new StreamGobbler(process.getInputStream(), System.out::println);
Executors.newSingleThreadExecutor().submit(streamGobbler);
int exitCode = process.waitFor();
assert exitCode == 0;