Util.java

package io.apptik.widget;


public class Util {
    private Util() {}
    /**
     * Returns {@code o} if non-null, or throws {@code NullPointerException}.
     */
    public static <T> T requireNonNull(T o) {
        if (o == null) {
            throw new NullPointerException();
        }
        return o;
    }
    /**
     * Returns {@code o} if non-null, or throws {@code NullPointerException}
     * with the given detail message.
     */
    public static <T> T requireNonNull(T o, String message) {
        if (o == null) {
            throw new NullPointerException(message);
        }
        return o;
    }
}