1, hash value
static final int hash(Object key) { int h; return (key == null) ? 0 : (h = key.hashCode()) ^ (h >>> 16); }
The high and low 16-bit or 16 divergent
1, hash value
static final int hash(Object key) { int h; return (key == null) ? 0 : (h = key.hashCode()) ^ (h >>> 16); }
The high and low 16-bit or 16 divergent