Method safeEq

src/main/java/field/utility/Util.java:15–19

(Object a, Object b)

 */
public class Util {
	static public boolean safeEq(Object a, Object b) {
		if (a == null) return b == null;
		if (b == null) return false;
		return a.equals(b);
	}

	/**
	 * exception munging list autoclosable