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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.
public class TreeTest { public static void main(String args[]) { Tree t = new Tree (); System.out.println("Populating"); t.insertItem(1); t
Separating your business logic with other functionality such as services, Loggers etc, making classess more cohesive.
codes to create boggle game
Two XML configuration files are uses by The Validator Framework validator-rules.xml and validation.xml. The validator-rules.xml shows the standard validation routines, these are re
You are required to write a program that is going to be used to store the student details of a particular school. This school caters for students aged between 5 years to 15 years.
The Struts tag libraries are: ? HTML Tags ? Logic Tags ? Template Tags ? Bean Tags ? Tiles Tags ? Nested Tags
Explain JAR Archives ? HTTP 1.0 uses a separate connection for every request. When you're downloading several small files, the time required to set up and tear down the connec
What is numeric promotion? Numeric promotion is the conversion of a smaller numeric type to a larger numeric type, so that integer and floating-point operations may take place.
Individual Assignment Rework Asteroids to have a different gameplay In the previous assignments, we have developed an Asteroids game. In this assignment, we are going to u
The == gives true, if the variable reference points to the similar types of object in memory. That is a " shallow comparison ". The equals () - gives the results of run
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