Learn Throw keyword in Java | EasyTechCode
#throwkeyword #javatutorial #java #javaprogramming #javabasic #javaforbeginners
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In this video we learn about throw keyword.
Throw Keyword
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User can throw exception directly.
It used to throw an exception explicitly.
We can throw either checked or unchecked exception.
We may set certain condition to throw an exception explicitly.
Syntax
new throw AnyException(“Name”);
For example:
new throw ArithmeticException(“Divide by Zero”)
We can throw only instance of Throwable or Sub
Classses of Throwable class
Example program
_________________
class sample_throw
{
public static void main(String a[])
{
int e;
e=Integer.parseInt(a[0]);
if(e==0)
{
throw new ArithmeticException("Exception Thrown by Easy CodeTech");
}
}
}
To run type
java sample_throw 0
The value zero is assigned throws command line argument.
The zero is assigned as
a[0]=0;
output
_______
Exception in thread "main" java.lang.ArithmeticException: Exception Thrown by Easy CodeTech
at sample_throw.main(sample_throw.java:10)
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