| java Programming Glossary: object.equalsHow to check if my string is equal to null? http://stackoverflow.com/questions/2601978/how-to-check-if-my-string-is-equal-to-null  should be aware of this term in the equals contract From Object.equals Object For any non null reference value x x.equals null should.. 
 Iteration order of HashSet http://stackoverflow.com/questions/2704597/iteration-order-of-hashset   If every object added to a java.util.HashSet implements Object.equals and Object.hashCode in a deterministic fashion is the iteration.. 
 Best practices regarding equals: to overload or not to overload? http://stackoverflow.com/questions/2910520/best-practices-regarding-equals-to-overload-or-not-to-overload  that we've accidentally overloaded instead of overridden Object.equals Object . If we had written class Thing as follows instead then.. 
 Java dynamic binding and method overriding http://stackoverflow.com/questions/321864/java-dynamic-binding-and-method-overriding  method is overloaded has a different param type than Object.equals so the method called is bound to the reference type at compile.. 
 Equals method for objects http://stackoverflow.com/questions/3950439/equals-method-for-objects  class for your parameter otherwise you're not overriding Object.equals but actually overloading it i.e. providing a different way of.. 
 what is the difference between == operator and equals()? (with hashcode() ???) http://stackoverflow.com/questions/4505357/what-is-the-difference-between-operator-and-equals-with-hashcode  Object o2 o1 o1 o2 true o2 new Object o1 o2 false the Object.equals method is how do I determine if 2 references to objects that.. 
 The JPA hashCode() / equals() dilemma http://stackoverflow.com/questions/5031614/the-jpa-hashcode-equals-dilemma  see there are three options Do not override them rely on Object.equals and Object.hashCode hashCode equals work cannot identify identical.. 
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