hashcode
Mutable objects and hashCode
Have the following class: public class Member { private int x; private long y; private double d; public Member(int x, long y, double d) {[详细]
2023-02-05 00:04 分类:问答deepHashCode with byte array
For some reason, Arrays.deepHashCode() c开发者_StackOverflow中文版annot work with byte[]. Is there any other equivalent?First off, no need for "Deep". It\'s a primitive. You don\'t need Deep[详细]
2023-02-04 01:54 分类:问答e.keyChar does not work for Ctrl
This code shows hashcodes of pressed button, but when i press on Control button i does not do anything. Can help me someone?[详细]
2023-02-03 03:16 分类:问答Overriding hashCode() - is this good enough?
For a class whose fields are solely primitive, ex.: class Foo { int a; String b; boolean c; long d; boolean equals(Object o)[详细]
2023-01-31 02:32 分类:问答How can I do unit test for hashCode()?
How can I test the hashCode() function in unit testing? public int hashCode(){ int result = 17 + hashDouble(re);[详细]
2023-01-30 22:18 分类:问答Implement "tolerant" `equals` & `hashCode` for a class with floating point members
I have a class with a float field. For example: public class MultipleFields { final intcount; final float floatValue;[详细]
2023-01-30 01:13 分类:问答Java Map hash code
Which is the best way to compute the hash code of a Map, knowing that it may contain entry values of types such as: String, Integer, Object[] ... ?[详细]
2023-01-29 18:09 分类:问答Should I write equals() and hashCode() methods in JPA entities?
I want to check if entity is in a Collection member (开发者_开发问答@OneToMany or @ManyToMany) of another entity:[详细]
2023-01-29 17:33 分类:问答Why can hashCode() return the same value for different objects in Java?
A quote from the book I\'m reading Head First Java: The point is that hashcodes can be the same without necessarily guaranteeing that the objects are equal, because the \"hashing algorithm\" used in[详细]
2023-01-28 06:07 分类:问答Grails: Checking whether a detached object is in an attached Set
The session of my application contains a user objects which has a settings objects which contains an attribute \"effectiveOrganisation\". The settings objects is loaded eagerly and since the Hibernate[详细]
2023-01-27 12:03 分类:问答