problem description The resize () method of HashMap in JDK8 in JDK8, if you modify the loadFactor, may cause an error when you resize later. in theory, threshold should always be equal to capacity * loadFactor, but in the resize () method, when capa...
take the keySet () method of HashMap for example: public Set<K> keySet() { Set<K> ks = keySet; if (ks == null) { ks = new KeySet(); keySet = ks; } return ks; } Wouldn t it be ...
The HashMap no-parameter constructor is as follows: ** * Constructs an empty <tt>HashMap< tt> with the default initial capacity * (16) and the default load factor (0.75). * public HashMap() { this.loadFactor...