Method getString

src/main/java/field/utility/Options.java:133–143

(String key, Supplier<String> def)

	public static String getString(String key, Supplier<String> def) {
		Dict.Prop pp = new Dict.Prop(key);
		boolean found = dict().has(pp);

		Object out = dict().computeIfAbsent(pp, (k) -> def.get());
		String r = out == null ? null : ("" + out);

		System.err.println("-" + key + " = " + r + (found ? "" : "(default)"));

		return r;
	}

	public static String getDirectory(String key, Supplier<String> def) {
		String v = getString(key, def);