.equals() method in Java objects
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What issues should be considered when overriding equals and hashCode in Java?
10204
How to properly compare two Integers in Java?
114604
How to compare two java objects
131933
On the usage of Java equality operator
110074
What is the difference between == and equals() in Java?
152780
what is the difference between null != object and object!=null
94524
Test of equality (equals and hash code method)
148619
Is there a reason not to use  (null safe equals operator) in mysql instead of =?
137403
How to best implement Equals for custom types?
103930
How to ensure hashCode() is consistent with equals()?
26859
Comparing object properties in c#
153856
String comparison and String interning in Java
134742
String comparison in Python: is vs. ==
74711
Java: Checking equality of arrays (order doesn't matter)
151218
When to use the equals sign in a Scala method declaration?
29684
How to check if an object is nullable?
70078
Java two equal signs in one statement?