java-overwrite equals must overwrite Hashchode () __java

Class H {
private int x;
private int y;
private float Z;
Private Double T;

H (int x, int y,float z, double t) {
this.x = x;
This.y = y;
This.z = Z;
THIS.T = t;
}

public boolean equals (Object o) {
if (o = = null) return false;
if (o = = this) return true;
if (!) ( o instanceof H)) return false;
H p = (h) O;
int dz = Float.floattointbits (z);
Long ft = double.doubletolongbits (t);
Return ((this.x = = p.x) && (this.y = = p.y) && (dz = float.floattointbits (p.z)) && (ft = = DOUBLE.D Oubletolongbits (P.T)));
Return ((this.x = = p.x) && (this.y = = p.y) && (this.z = p.z) && (this.t = = p.t));
}

public int hashcode () {
int result = 17;
result = 37*result + x;
result = 37*result + y;
result = 37*result + float.floattointbits (z);
result = 37*result + (int) double.doubletolongbits (t);
return (int) result;
}

public static void Main (string[] args) {

H p1 = new H (1,1,-0.0f,0.000000000000000000001);
h P2 = new H (1,1,-0.0f,0.000000000000000000001);
System.out.println (P1.equals (p2));
System.out.println (P1.hashcode ());
System.out.println (P2.hashcode ());
}
}
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True
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-1946841466