OnJava8-Examples/exceptions/FullConstructors.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// exceptions/FullConstructors.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

class MyException extends Exception {

MyException() {}

MyException(String msg) { super(msg); }

}

public class FullConstructors {

public static void f() throws MyException {

System.out.println("Throwing MyException from f()");

throw new MyException();

}

public static void g() throws MyException {

System.out.println("Throwing MyException from g()");

throw new MyException("Originated in g()");

}

public static void main(String[] args) {

try {

f();

} catch(MyException e) {

e.printStackTrace(System.out);

}

try {

g();

} catch(MyException e) {

e.printStackTrace(System.out);

}

/* Output:

Throwing MyException from f()

MyException

at FullConstructors.f(FullConstructors.java:11)

FullConstructors.main(FullConstructors.java:19)

Throwing MyException from g()

MyException: Originated in g()

at FullConstructors.g(FullConstructors.java:15)

FullConstructors.main(FullConstructors.java:24)