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java Programming Glossary: a.equalshttp://stackoverflow.com/questions/11758220/a-mechanism-for-having-different-equals-physical-equals-and-logical-equals-on if its a shallow copy or also a deep copy with all objects a.equals b and list1.identical list2 which checks if its simply shallow..
http://stackoverflow.com/questions/1419835/understanding-enums-in-java having a canonical value meaning this equality holds true a.equals b b.equals a a b for all a b that are instances of a particular..
Comparing Java enum members: == or equals()? http://stackoverflow.com/questions/1750435/comparing-java-enum-members-or-equals always used .equals e.g. public useEnums SomeEnum a if a.equals SomeEnum.SOME_ENUM_VALUE ... ... However I just came across..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java value . The relation between the two methods is Whenever a.equals b then a.hashCode must be same as b.hashCode . In practice If..
String comparison with logical operator in Java http://stackoverflow.com/questions/4744953/string-comparison-with-logical-operator-in-java
Difference between null and “” Java String http://stackoverflow.com/questions/4802015/difference-between-null-and-java-string b null System.out.println a b false System.out.println a.equals b false And both statements return false . And it seems I am.. words their variables don't point to the same objects. a.equals b returns false because does not equal null obviously. The difference.. objects and a and b point to different objects. However a.equals b in this case would return true because equals for Strings..
Difference Between Equals and == http://stackoverflow.com/questions/971954/difference-between-equals-and would still return true . In both languages a.Equals b or a.equals b will call the virtual Equals equals method declared by Object..
How != and == operators work on Integers in Java? http://stackoverflow.com/questions/9824053/how-and-operators-work-on-integers-in-java Object if a b System.out.println Different objects if a.equals b System.out.println Meaningfully equal. public static void..
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