Why does HashMap seem to use reference variables instead of true values?
599
Is Java "pass-by-reference" or "pass-by-value"?
33772
Is there any difference in equals and == for String variables?
19444
Changing HashMap keys during iteration
40587
Why not allow an external interface to provide hashCode/equals for a HashMap?
113372
Using streams, how can I map the values in a HashMap?
25288
How to make HashMap work with Arrays as key?
91298
What do ref, val and out mean on method parameters?
94840
Why does the Boolean object have a public constructor in Java?
116533
Why is there an offset in the Java String implementation?
15548
Is a Java hashmap search really O(1)?
74320
Java Hashmap: How to get key from value?
114816
Is null reference possible?
45188
How do I pass a variable by reference?
76350
Android:Passing a hash map between Activities
28328
In C#, why is String a reference type that behaves like a value type?
43489
Why does Boolean.ToString output "True" and not "true"
28802
Is Ruby pass by reference or by value?