DAA Lab 3a - Exception Handling - a divided by b - 18CSL47

DAA Lab 3a - Exception Handling - a divided by b - 18CSL47

Lecture By: Veeresh Basavaraj Hatti

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Lab 3a - DAA Lab Programs: (Design and Analysis of Algorithm)

3a) Write a Java program to read two integers a and b. Compute a/b and print, when b is not zero. Raise an exception when b is equal to zero.

Program:

import java.util.;
class MyException extends Exception
{
public String toString()
{
return “Denominator is 0! divide by zero Exception”;
}
}
class Compute
{
private int a, b;
public Compute(int a, int b)
{
this.a=a;
this.b=b;
}
public void compute_a_by_b()
{
try
{
if(this.b!=0)
{
System.out.println(“result of “+a+”/“+b+”=”+(float)1.0a/b);
}
else
throw new MyException();
}
catch(MyException e)
{
System.out.println(“Exception !!!!! :<br />“+e);
}
}
}
class Lab3A
{
public static void main(String[] args)
{
Scanner in=new Scanner(System.in);
System.out.println(“Enter the value of a:-”);
int a=in.nextInt();
System.out.println(“Enter the value of b:-”);
int b=in.nextInt();
Compute c=new Compute(a, b);
c.compute_a_by_b();
}
}

Content

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