throw io exception java
public static void foo() throws IOException {
// some code here, when something goes wrong, you might do:
throw new IOException("error message");
}
public static void main(String[] args) {
try {
foo();
} catch (IOException e) {
System.out.println(e.getMessage());
}
}throw error java
throw new java.lang.Error("this is very bad");
throw new java.lang.RuntimeException("this is not quite as bad");throwing exceptions java
/* In this program we are checking the Student age
* if the student age<12 and weight <40 then our program
* should return that the student is not eligible for registration.
*/
public class ThrowExample {
static void checkEligibilty(int stuage, int stuweight){
if(stuage<12 && stuweight<40) {
throw new ArithmeticException("Student is not eligible for registration");
}
else {
System.out.println("Student Entry is Valid!!");
}
}
public static void main(String args[]){
System.out.println("Welcome to the Registration process!!");
checkEligibilty(10, 39);
System.out.println("Have a nice day..");
}
}throw keyword in java
Generally JVM throws the exception and
we handle the exceptions by
using try catch block. But there are
situations where we have to throw
userdefined exceptions or runtime exceptions.
In such case we use throw keyword
to throw exception explicitly.
Syntax : throw throwableInstance;Copyright © 2021 Codeinu
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