我想知道是否有人能详细解释一下
(int)(l ^ (l >>> 32));
在以下hashcode实现(由eclipse生成,但与Effective相同)中:
private int i;
private char c;
private boolean b;
private short s;
private long l;
private double d;
private float f;
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + i;
result = prime * result + s;
result = prime * result + (b ? 1231 : 1237);
result = prime * result + c;
long t = Double.doubleToLongBits(d);
result = prime * result + (int) (t ^ (t >>> 32));
result = prime * result + Float.floatToIntBits(f);
result = prime * result + (int) (l ^ (l >>> 32));
return result;
}
谢谢!
https://stackoverflow.com/questions/2827612
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