question8.java

java课程的资料以及实验的代码

class ComputeFactor
{
	public static void main(String args[])
	{
		int length=args.length;
		if (length<2)
		{
			System.out.println("invalid number of arguments\n");
			System.exit(1);
		};
		int p1,p2;
		p1=Integer.parseInt(args[0]);
		p2=Integer.parseInt(args[1]);
		if ((p1<=0)||(p2<=0))
		{
			System.out.println("invalid arguments\n");
			System.exit(1);
		};
		String s="common factor is:";
		int factor,temp;
		System.out.println(p1+" "+p2+"\n");
		if (p1==p2) factor=p1;
		else
		{
			while (p1%p2!=0)
			{
				temp=p2;
				p2=p1%p2;
				p1=temp;
			};
			factor=p2;
		};
		System.out.println("common factor is:"+factor);
	}
}