java throw exceptions code example
Example 1: 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());
}
}
Example 2: java how to throw exception
public class ThrowException{
public static void main(String [] args) throws Exception{
//throws Exception line is needed if not using try-catch block
throw new Exception("Errmessage");
}
}