Get Job-ready: Java Course with 45+ Real-time Projects! - Learn Java
Program 1
sealed interface MyInter1 permits MyInter2
{
}
non-sealed interface MyInter2 extends MyInter1
{
}
interface MyInter3 extends MyInter1
{
}
class TestSealed
{
public static void main(String args[])
{
}
}
// sealed class First permits Second,Third
// {
// }
// sealed class Second extends First permits Four
// {
// }
// non-sealed class Four extends Second
// {}