This document discusses exception handling in Java. It describes different types of exceptions like normal exceptions, runtime exceptions, and errors. It provides examples of throwing exceptions from methods using the throws keyword and using try-catch blocks to handle exceptions at runtime. Finally, it demonstrates using a finally block to execute code whether or not an exception occurs.

1. 1

2. 
Exception Handling


3. ...
bugs
.

4. 

Normal Exceptions
Runtime Exceptions
Errors

5. ...
Throwable
Exception Error
IOExceptionRuntimeException

6. File not found

7. division by zero

8. 

9. 
throws
public void thisIsTrouble () throws anException{
// method body }
public void thisIsMultipleExceptionMethod throws
anException,anotherException {
// method body}

10. throw
public class Ex {
static float assMark(float ass1, float ass2) throws
Exception
{
if ((ass1 > 100)|| (ass2 > 100))
{
throw new Exception (“Error value !");
}
return (ass1 * 5)/100 + (ass2 * 5)/100;
}
public static void main(String[] args) throws
Exception {
Ex O1 = new Ex();
float x=50;
float y=80;
float z = O1.assMark(x,y);
System.out.println(z);
}}

11. trytry

try
{
}
trycatchcatchException.

12. 2
public class Ex {
public int fac(int x, int y)
{
int z =x / y;
return x;
}
public static void main(String[] args)
{
try{
Ex Obj1 = new Ex();
System.out.println(Obj1.fac(5,0));
}
catch(Exception e)
{
System.out.println("Error : "+e);
}
}}

15. 
2
finally
{
System.out.println("END ");
}

16. THE OUTPUT