嗨这是一个阶乘方法，但它在控制台中打印0请帮助我，谢谢publicclassDemo{publicstaticvoidmain(String[]args){Demoobj=newDemo();System.out.println(obj.factorial(500));}publicintfactorial(intn){intfact=1;for(inti=2;i已编辑:将返回Infinity!publicclassDemo{publicstaticvoidmain(String[]args){Demoobj=newDemo();System.out.println(obj.facto