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java Programming Glossary: x.equalsWhen comparing two Integers in Java does auto-unboxing occur? http://stackoverflow.com/questions/1514910/when-comparing-two-integers-in-java-does-auto-unboxing-occur equal. Personally I'd use if x.intValue y.intValue or if x.equals y The latter is slightly less efficient there isn't an overload..
whats the difference between “.equals and ==” http://stackoverflow.com/questions/1643067/whats-the-difference-between-equals-and
http://stackoverflow.com/questions/2707322/what-is-null-in-java equals Object obj For any non null reference value x x.equals null should return false . It is also the default value for..
Test for floating point equality. (FE_FLOATING_POINT_EQUALITY) http://stackoverflow.com/questions/3832592/test-for-floating-point-equality-fe-floating-point-equality recommended but not strictly required that x.compareTo y 0 x.equals y . Generally speaking any class that implements the Comparable.. recommended that wherever x.compareTo y returns zero x.equals y should be true . In your code you have implemented compareTo..
Any reason to prefer getClass() over instanceof when generating .equals()? http://stackoverflow.com/questions/596462/any-reason-to-prefer-getclass-over-instanceof-when-generating-equals final will preserve the symmetry contract of the method x.equals y y.equals x . If final seems restrictive carefully examine..
JUnit theory for hashCode/equals contract http://stackoverflow.com/questions/837484/junit-theory-for-hashcode-equals-contract class ObjectTest For any non null reference value x x.equals x should return true @Theory public void equalsIsReflexive Object.. Object x assumeThat x is not equalTo null assertThat x.equals x is true For any non null reference values x and y x.equals.. x is true For any non null reference values x and y x.equals y should return true if and only if y.equals x returns true...
Why are these == but not `equals()`? http://stackoverflow.com/questions/1259693/why-are-these-but-not-equals 1 results.add Y 9000 2 results.add X y 3 results.add X.equals x 4 results.add X.equals Y 5 results.add X.equals y 6 System.out.println.. 2 results.add X y 3 results.add X.equals x 4 results.add X.equals Y 5 results.add X.equals y 6 System.out.println results outputs.. X.equals x 4 results.add X.equals Y 5 results.add X.equals y 6 System.out.println results outputs maybe you should make..
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