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How to catch multiple exceptions explain with example?
If multiple blocks match the exception type, the first block in which matches the kinds of the exception catches it. public class HelloThere {
public static void main(String[] args) { int repeat; try { // possible NumberFormatException and ArrayIndexOutOfBoundsException repeat = Integer.parseInt(args[0]); // possible ArithmeticException int n = 2/repeat; // possible StringIndexOutOfBoundsException String s = args[0].substring(5); } catch (NumberFormatException e) { // print an error message System.err.println("Usage: java HelloThere repeat_count" ); System.err.println( "where repeat_count is the number of times to say Hello" ); System.err.println("and given as an integer like 1 or 7" ); return; } catch (ArrayIndexOutOfBoundsException e) { // pick a default value repeat = 1; } catch (IndexOutOfBoundsException e) { // ignore it } catch (Exception e) { // print an error message and exit System.err.println("Unexpected exception"); e.printStackTrace(); return; } for (int i = 0; i < repeat; i++) { System.out.println("Hello"); } }
}It's rare to catch a general Error or Throwable because it's actually hard to clean up after them in the general case.
What is Constraints explain with example? One of the purposes to use constructors and setter techniques rather than directly accessing fields is to enforce constraints. For exa
Task back to top Write a JAVA GUI program that would facilitate text chatting/exchanging between two or multiple computers over the network/internet, using the concept of JAVA soc
Ask question #MBookshelves A library decides buy bookshelves to store its books and they need to determine the bookshelves’ heights and widths in order to minimize storage costs. T
How do I prevent the output of my JSP or Servlet pages from being cached by the browser? Ans) You will require to set the appropriate HTTP header attributes to stop the dynamic
Android app for evaluating of distance Project Description: The request is to prepare an app for Android. The application needs to run on tablet (7 "or larger) and the layout
JSP simply gives a Page which may contain markup, embedded Java code, and tags which encapsulate more complicated logic / html. JSF may use JSP as its template, but gives much more
Consider the following code? What input is needed for x in order for the sum variable that is output at the end of the code to be 12 ? (In other words: what do I need to make X be
hi i need help with java
I want to copy an iphone app with some changes Project Description: I want to copy an iphone app with some changes i need the best programmer to do this for me Skills r
Super() Constructer: It is used to call constructor of parent class. Should be the first statement in the body of constructor. Using this we can access private variables
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