Using the try{} catch() {}

[GoToLoop]

@neilcsmith

OK, as with everything, almost never - there are cases -

NumberFormatException is a very notable case where its catch () {} block works as an if () {} replacement:

Help determining data type

This is my Java attempt on that positive number filter challenge: “Program.java”: import java.util.Collection; import java.util.LinkedHashSet; public final class Program { @SafeVarargs static public final String[] filterArray(final String... strs) { if (strs == null || strs.length == 0) return new String[0]; final Collection<String> nums = new LinkedHashSet<>(); for (final String str : strs) try { Integer.parseUnsignedInt(str); nums.add(str); } c…

https://gist.github.com/GoToLoop/bba0c288aaeeb5ef9bb1