public static void main(String[] args) {
		// TODO Auto-generated method stub
		int a, b, c;
		a = 2;
		b = 3;
		
		if(a < b) System.out.println("a is less than b");
		
		if (a == b) System.out.println(" you won't see this");
		
		System.out.println();
		
		c = a - b;
		
		System.out.println("c contains -1 ");
		if(c >= 0) System.out.println("c is non-negative");
		if(c < 0) System.out.println("c is negative");
		
		System.out.println();
		
		c = b - a;
		
		System.out.println("c contains 1");
		if ( c >= 0) System.out.println("c is non-negative");
		if ( c <0)  System.out.println("c is negative");
		
	}