update,

it114105/itp4510/Lab01/Lab1.2/q3/Point.java

@@ -0,0 +1,24 @@
+public class Point {
+    private double x, y;
+
+    public Point(double a, double b) {
+        setPoint(a, b);
+    }
+
+    public void setPoint(double a, double b) {
+        x = a;
+        y = b;
+    }
+
+    public double getX() {
+        return x;
+    }
+
+    public double getY() {
+        return y;
+    }
+
+    public String toString() {
+        return "[" + x + ", " + y + "]";
+    }
+}