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import java.util.Objects; public class Point { private int x; private int y; public Point(int x, int y){ this.x=x; this.y=y; } @Override public boolean equals(Object obj){ if (this == obj) return true; if (obj == null || getClass() != getClass()) return false; Point other =(Point) obj; return x == other.x && y == other.y; } @Override public int hashCode() { return Objects.hash(x, y); public class Main { public static void main(String[] args) { Point p1 = new Point(1, 2); Point p2 = new Point(1, 2); System.out.println(p1.equals(p2)); System.out.println(p1.hashCode() == p2.hashCode());
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