failingconstructor22.java

java编程思想第四版习题答案

// exceptions/FailingConstructor22.java
// TIJ4 Chapter Exceptions, Exercise 22, page 488
/* Create a class called FailingConstructor with a constructor that might fail
* partway through the construction process and throw an exception. In main(),
* write code that properly guards against this failure.
*/

public class FailingConstructor22 {
	Integer[] ia = new Integer[2];
	String s;
	FailingConstructor22(String s) throws Exception {
		ia[0] = 0;
		ia[1] = 1;
		ia[2] = 2;
		this.s = s;
	}
	public static void main(String[] args) {
		try {
			FailingConstructor22 fc = new FailingConstructor22("hi");
		} catch(Exception e) {
			System.err.println("Caught Exception in main()");
			e.printStackTrace(System.err);
		} finally {

		}
	}
}