Different Exception Generate in Array.
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Following program for Generate the different Exception in array( using multiple switch and catch).
/* * Save as a ExceptionGenerate.java * Program for Generates the Different Execptions(Array) */ package r4r.co.in; public class ExceptionGenerate { public static void main(String[] args) { int array[] = null; int arraySize = 4; int arrayInc = -0; int output; for (int i = 0; i < 6; i++) { try { //Multiple Switch Conditions switch (i) { case 0: output = array[0]; // Generates a NullPointerException. break; case 1: array = new int[arrayInc]; // Generates a NegativeArraySizeException. output = array[arrayInc]; break; case 2: array = new int[arraySize]; //Generate the ArrayIndexOutOfBoundsException. output = array[arraySize]; break; case 3: array = new int[5]; //Generate the IndexOutOfBoundsException. output = array[5]; case 4: Object newArray = new Integer(0); //Generate the ClassCastException. System.out.println((String) newArray); case 5: Object X[] = new String[-5]; //Generate the ArrayStoreException. X[0] = new Integer(0); System.out.println(X); } } catch (NullPointerException ex1) { System.out.println("\n Exception Generated: " + ex1.getMessage()); ex1.printStackTrace(); } catch (NegativeArraySizeException ex2) { System.out.println("\n Exception Generated: " + ex2.getMessage()); ex2.printStackTrace(); } catch (ArrayIndexOutOfBoundsException ex3) { System.out.println("\n Exception Generated: " + ex3.getMessage()); ex3.printStackTrace(); } catch (IndexOutOfBoundsException ex4) { System.out.println("\n Exception Generated: " + ex4.getMessage()); ex4.printStackTrace(); } catch (ClassCastException ex5) { System.out.println("\n Exception Generated: " + ex5.getMessage()); ex5.printStackTrace(); } catch (ArrayStoreException ex6) { System.out.println("\n Exception Generated: " + ex6.getMessage()); ex6.printStackTrace(); } } } }
java.lang.NullPointerException
Exception Generated: nullat r4r.co.in.ExceptionGenerate.main(ExceptionGenerate.java:20)
Exception Generated: 0
java.lang.ArrayIndexOutOfBoundsException: 0Exception Generated: 4
at r4r.co.in.ExceptionGenerate.main(ExceptionGenerate.java:24)java.lang.ArrayIndexOutOfBoundsException: 4
Exception Generated: 5Exception Generated: java.lang.Integer cannot be cast to java.lang.String
at r4r.co.in.ExceptionGenerate.main(ExceptionGenerate.java:28)java.lang.ArrayIndexOutOfBoundsException: 5
Exception Generated: null
at r4r.co.in.ExceptionGenerate.main(ExceptionGenerate.java:32)
java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
at r4r.co.in.ExceptionGenerate.main(ExceptionGenerate.java:35)
java.lang.NegativeArraySizeException
at r4r.co.in.ExceptionGenerate.main(ExceptionGenerate.java:37)
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