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Commit 297e41e

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rtomarrtomar
rtomar
authored and
rtomar
committed
Exception Handling Code
1 parent 9c56fd8 commit 297e41e

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12 files changed

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-0
lines changed

12 files changed

+262
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package com.rt.exceptionexamples;
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public class Employee {
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int id;
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String name;
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public Employee(int id, String name) {
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super();
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this.id = id;
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this.name = name;
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}
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@Override
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public String toString() {
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// TODO Auto-generated method stub
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return "Employee Id"+id+" Employee Name:"+name;
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}
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}
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package com.rt.exceptionexamples;
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class Exception10 {
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// Through an exception out of the method.
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static void procA() {
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try {
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System.out.println("inside procA");
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throw new RuntimeException("demo");
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} finally {
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System.out.println("procA's finally");
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}
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}
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// Return from within a try block.
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static void procB() {
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try {
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System.out.println("inside procB");
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return ;
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} finally {
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System.out.println("procB's finally");
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}
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}
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static void procC() {
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try {
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System.out.println("inside procC");
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System.exit(0);
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} finally {
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System.out.println("procC's finally");
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}
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}
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public static void main(String args[]) {
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try {
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procA();
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} catch (Exception e) {
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System.out.println("Exception caught");
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}
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procB();
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procC();
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}
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}
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package com.rt.exceptionexamples;
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class MyException extends RuntimeException {
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private int detail;
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MyException(int a) {
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detail = a;
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}
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public String toString() {
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return "MyException[" + detail + "]should be less than 10";
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}
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}
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class Exception11 {
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static void compute(int a) {
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System.out.println("Called compute(" + a + ")");
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if(a > 10)
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throw new MyException(a);
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System.out.println("Normal exit");
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}
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public static void main(String args[]) {
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compute(1);
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compute(20);
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}
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}
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package com.rt.exceptionexamples;
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class Exception2 {
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public static void main(String args[]) {
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int d, a;
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try { // monitor a block of code.
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d = 1;
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a = 42 / d;
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int a1[]=new int[10];
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a1[11]=21;
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System.out.println("This will not be printed.");
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//throw new IllegalAccessException();
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} catch (ArithmeticException e) { // catch divide-by-zero error
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System.out.println("Division by zero.");
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}
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catch(ArrayIndexOutOfBoundsException e)
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{
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System.out.println("Array error");
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}
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catch(Exception o)
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{
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System.out.println("Super Exception");
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}
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System.out.println("After catch statement.");
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}
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}
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package com.rt.exceptionexamples;
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class Exception3 {
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public static void main(String args[]) {
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try {
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int a = args.length;
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System.out.println("a = " + a);
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int b = 42 / a;
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int c[] = { 1 };
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c[42] = 99;
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} catch(ArithmeticException e) {
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//System.out.println("Divide by 0: " + e.toStri);
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e.printStackTrace();
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} catch(ArrayIndexOutOfBoundsException e) {
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System.out.println("Array index oob: " + e);
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}
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System.out.println("After try/catch blocks.");
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}
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}
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package com.rt.exceptionexamples;
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class Exception4 {
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public static void main(String args[]) {
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try {
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int a = 0;
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int b = 42 / a;
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} catch(ArithmeticException e) { // ERROR - unreachable
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System.out.println("This is never reached.");
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}
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catch(Exception e) {
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System.out.println("Generic Exception catch.");
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}
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}
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}
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package com.rt.exceptionexamples;
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class Exception5 {
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public static void main(String args[]) {
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try {
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int a = args.length;
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int b = 42 / a;
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System.out.println("a = " + a);
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if(a==1) a = a/(a-a);
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if(a==2) {
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int c[] = { 1 };
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c[42] = 99;
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}
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} catch(Exception e) {
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System.out.println("Array index Out-of-bounds: " + e);
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}
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}
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}
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package com.rt.exceptionexamples;
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class Exception6 {
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static void nesttry(int a) {
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try {
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if(a==1) a = a/(a-a);
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if(a==2) {
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int c[] = { 1 };
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c[42] = 99;
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}
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} catch(ArrayIndexOutOfBoundsException e) {
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System.out.println("Array index out-of-bounds: " + e);
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}
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}
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public static void main(String args[]) {
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try {
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int a = 2;
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int b = 42 / a;
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System.out.println("a = " + a);
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nesttry(a);
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} catch(ArithmeticException e) {
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System.out.println("Divide by 0: " + e);
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}
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}
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}
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package com.rt.exceptionexamples;
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import java.io.IOException;
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class Exception7 {
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static void demoproc() throws IOException {
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throw new IOException();//("demo");
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}
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public static void main(String args[]) throws IOException {
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demoproc();
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}
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}
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package com.rt.exceptionexamples;
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class Exception8 {
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static void throwOne() throws IllegalAccessException {
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System.out.println("Inside throwOne.");
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throw new IllegalAccessException("demo");
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//throw new ArithmeticException();
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}
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public static void main(String args[]) {
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try {
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throwOne();
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} catch (IllegalAccessException e) {
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// TODO Auto-generated catch block
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System.out.println("Got it"+e.getMessage());
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}
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}
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}

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