In this Tutorial we want to describe you a code that help you in understanding program for handling Constructor exception.A Constructor mean a method which has the same name as of the class. Constructor initializes a new object belonging to the class automatically. The program given below consists of a parameterized constructor which takes String and int as a parameters. The main reason of exception occurring in the program is ConstructorException c = new ConstructorException("gh", -1);For removing this exception we have to passs a value which is greater than 0 instead of -1..
ConstructorException.java
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public class ConstructorException { private static String name; private static int age; public ConstructorException(String Name, int Age) { name = Name; age = Age; if (age < 0) { throw new IllegalArgumentException("age out of range: " + age ); } if (name == null) { throw new IllegalArgumentException( "name is null"); } } public static void main(String[] args) { ConstructorException c = new ConstructorException("gh", -1); } } |
output of the program
| Exception in thread "main" java.lang.IllegalArgumentException: age out of range: -1 at ConstructorException.<init>(ConstructorException.java:10) at ConstructorException.main(ConstructorException.java:19) Java Result: 1 |
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