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//: exceptions/ExtraFeatures.java

package exceptions; /* Added by Eclipse.py */

// Further embellishment of exception classes.

import static net.mindview.util.Print.*;

class MyException2 extends Exception {

private int x;

public MyException2() {}

public MyException2(String msg) { super(msg); }

public MyException2(String msg, int x) {

super(msg);

this.x = x;

}

public int val() { return x; }

public String getMessage() {

return "Detail Message: "+ x + " "+ super.getMessage();

}

}

public class ExtraFeatures {

public static void f() throws MyException2 {

print("Throwing MyException2 from f()");

throw new MyException2();

}

public static void g() throws MyException2 {

print("Throwing MyException2 from g()");

throw new MyException2("Originated in g()");

}

public static void h() throws MyException2 {

print("Throwing MyException2 from h()");

throw new MyException2("Originated in h()", 47);

}

public static void main(String[] args) {

try {

f();

} catch(MyException2 e) {

e.printStackTrace(System.out);

}

try {

g();

} catch(MyException2 e) {

e.printStackTrace(System.out);

}

try {

h();

} catch(MyException2 e) {

e.printStackTrace(System.out);

System.out.println("e.val() = " + e.val());

}

}

} /* Output:

Throwing MyException2 from f()

MyException2: Detail Message: 0 null

at ExtraFeatures.f(ExtraFeatures.java:22)

at ExtraFeatures.main(ExtraFeatures.java:34)

Throwing MyException2 from g()

MyException2: Detail Message: 0 Originated in g()

at ExtraFeatures.g(ExtraFeatures.java:26)

at ExtraFeatures.main(ExtraFeatures.java:39)

Throwing MyException2 from h()

MyException2: Detail Message: 47 Originated in h()

at ExtraFeatures.h(ExtraFeatures.java:30)

at ExtraFeatures.main(ExtraFeatures.java:44)

e.val() = 47

*///:~