Why do we override equals() and hashCode() methods , how does hashcode works in hashMap and treeSet Operation
878
What issues should be considered when overriding equals and hashCode in Java?
126
How do I compare strings in Java?
134644
Compare two objects with .equals() and == operator
121539
Why doesn't Java offer operator overloading?
112221
Best implementation for hashCode method for a collection
142913
How do you get the "object reference" of an object in java when toString() and hashCode() have been overridden?
91987
Difference between a HashMap and a dictionary ADT
100132
What does the "+=" operator do in Java?
103930
How to ensure hashCode() is consistent with equals()?
130290
Ordering of elements in Java HashSet
89389
Explanation of HashMap#hash(int) method
1736
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
65377
Trouble over riding and using equals method in java
65609
Why does Java's hashCode() in String use 31 as a multiplier?
69886
Bit-shifting in Effective Java hashCode() implementation
153563
putExtra treeMap returns HashMap cannot be cast to TreeMap android
19121
How does the String class override the + operator?