public class Work2 {

 public static void main(String[] args) {
  ExceptionGenerator exceptionGenerator = new ExceptionGenerator();

  //處理第一種自定義編譯時異常
  try {
   exceptionGenerator.genFirstException();
  } catch (MyFirstException e) {
   e.printStackTrace();
  }

  //處理第二種自定義運行時異常
  try {
   exceptionGenerator.genSecondException();
  } catch (MySecondException e) {
   e.printStackTrace();
  }

  //處理第三種自定義編譯時異常
  try {
   exceptionGenerator.genThirdException();
  } catch (MyThirdException e) {
   e.printStackTrace();
  }
 }

}

class ExceptionGenerator {

 //拋出第一種編譯時異常
 public void genFirstException() throws MyFirstException {
  throw new MyFirstException("第一種編譯時類型的異常");
 }

 //拋出第二種運行時異常
 public void genSecondException() {
  throw new MySecondException("第二種運行時類型的異常");
 }
 //拋出第二種編譯時異常
 public void genThirdException() throws MyThirdException {
  throw new MyThirdException("第三種編譯時類型的異常");
 }
}

/*
  第一種自定義編譯時異常
 */
class MyFirstException extends Exception {

 public MyFirstException(String msg) {
  super(msg);
 }
}
/*
  第二種自定義運行時異常
 */
class MySecondException extends RuntimeException {
 public MySecondException(String msg) {
  super(msg);
 }
}
/*
  第三種自定義編譯時異常
 */
class MyThirdException extends Exception {
 public MyThirdException(String msg) {
  super(msg);
 }
}