Added Java lab programs

point/MyPoint.java

@@ -0,0 +1,53 @@
+class MyPoint {
+
+    private int x;
+    private int y;
+
+    // No-argument constructor
+    MyPoint() {
+        x = 0;
+        y = 0;
+    }
+
+    // Overloaded constructor
+    MyPoint(int x, int y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    // Set both x and y
+    void setXY(int x, int y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    // Return x and y as a 2-element array
+    int[] getXY() {
+        return new int[] { x, y };
+    }
+
+    // String representation
+    public String toString() {
+        return "(" + x + ", " + y + ")";
+    }
+
+    // Distance to given (x, y)
+    double distance(int x, int y) {
+        return Math.sqrt(
+            (this.x - x) * (this.x - x) + (this.y - y) * (this.y - y)
+        );
+    }
+
+    // Distance to another MyPoint object
+    double distance(MyPoint another) {
+        return Math.sqrt(
+            (this.x - another.x) * (this.x - another.x) +
+                (this.y - another.y) * (this.y - another.y)
+        );
+    }
+
+    // Distance to origin (0, 0)
+    double distance() {
+        return Math.sqrt(x * x + y * y);
+    }
+}