Java无限循环小数判定问题

来源：http://shensy.iteye.com/blog/1836973

public static boolean isNonterminating(){
     try{
         BigDecimal bigA=new BigDecimal(1);
         BigDecimal bigB=new BigDecimal(3);
         System.out.println("a/b="+bigA.divide(bigB));
         return false;
     }catch(Exception e){
         return true;
     }
}