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import lombok.experimental.ExtensionMethod;
@ExtensionMethod({java.util.Arrays.class, ExtensionMethodPlain.Extensions.class})
class ExtensionMethodPlain {
public String test() {
int[] intArray = {5, 3, 8, 2};
intArray.sort();
String iAmNull = null;
return iAmNull.or("hELlO, WORlD!".toTitleCase());
}
static class Extensions {
public static <T> T or(T obj, T ifNull) {
return obj != null ? obj : ifNull;
}
public static String toTitleCase(String in) {
if (in.isEmpty()) return in;
return "" + Character.toTitleCase(in.charAt(0)) + in.substring(1).toLowerCase();
}
}
}
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