Code samples supporting the article _"Unit Testing: What's a Unit?"_ on the *Hit the Bits!* programming blog.

htb-whats-a-unit-1.java

public int triple(int x) {
	return x * 3;
}

htb-whats-a-unit-2.java

class Square {

	int length;

	public void setLength(int newLength) {
		this.length = newLength;
	}
	
	public int getArea() {
		return this.length * this.length;
	}
	
}