dividebyzerotry.java

来自「国外的数据结构与算法分析用书」· Java 代码 · 共 23 行

/**	Programmer handling of a divide-by-zero exception. */
class DivideByZeroTry
{
	public static void main(String[] args)
	{
		int n, d, r;
		try
		{
			n = 20;
			d = 0;
			r = n / d; // implicitly throws an exception
			System.out.println("This statement is not executed");
		} catch (ArithmeticException e) // catch an attempt to divide by zero
		{
			System.err.println("Attempting to divide by zero");
			System.err.println("Exception: " + e);
			r = 0; // set r to zero to resume
		}
		/*	Resume normal execution of program. */
		System.out.println("r = " + r);
	}
}