/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
Optional<Integer> a = Optional.of(1);
Optional<Integer> b = a
.filter(aa -> aa == 2)
.map(aa -> Optional.of(aa))
.orElse(Optional.of(3));
}
}
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