some_java_and_c.java

// Java

class Point {
	int x;
	int y;

	public Point(int x, int y) {
		x
	}

	public float distanceTo(Point other) {
		this.x
		this.y
	}

}


Point myPoint = new Point(x, y);
myPoint.distanceTo(otherPoint)

// C

struct point {
	int x;
	int y;
}

point* new_point(int x, int y) {
	point *the_new_point = malloc(sizeof(point))
	the_new_point.x = x;
	the_new_point.y = y;
	return the_new_point;
}

float distance_to(point* a, point* b) {
	
}


// Java

interface Shape {
	float area();
	Shape intersection(Shape other);
}

class Circle implements Shape {
	
	float radius;

	// constructor ...
	
	float area() {
		return Math.pi * Math.pow(radius, 2);
	}

}

class Rectangle implements Shape {

	float length;
	float width;

	// constructor...
	
	float area() {
		return length * width;
	}

}

Shape some_shape = // .. get from somewhere
some_shape.area()