Position.java

package Q16_22_Langtons_Ant;

public class Position {
	public int row;
	public int column;
	
	public Position(int row, int column) {
		this.row = row;
		this.column = column;
	}
	
	@Override
	public boolean equals(Object o) {
		if (o instanceof Position) { 
			Position p = (Position) o;
			return p.row == row && p.column == column;
		}
		return false;
	}
	
	@Override
	public int hashCode() {
		return (row * 31) ^ column;
	}
	
	public Position clone() {
		return new Position(row, column);
	}
}