org.glassfish.hk2.utilities.general.GeneralUtilities Maven / Gradle / Ivy
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package org.glassfish.hk2.utilities.general;
/**
* This class contains utilities useful for any code
*
* @author jwells
*
*/
public class GeneralUtilities {
/**
* Returns true if a is equals to b, or both
* and and b are null. Is safe even if
* a or b is null. If a or b is null but
* the other is not null, this returns false
*
* @param a A possibly null object to compare
* @param b A possibly null object to compare
* @return true if equal, false if not
*/
public static boolean safeEquals(Object a, Object b) {
if (a == b) return true;
if (a == null) return false;
if (b == null) return false;
return a.equals(b);
}
}