import java.io.*;

class ExException7 {
  public static void main (String[] args) {
    ExException7 Ex7 = new ExException7();
    Ex7.methodA();
  }

  void methodA(){
    try {
      methodB();  //(1)
    } catch(FileNotFoundException e) {
      System.err.println(e.getMessage());  //(3)
    } finally {
      System.out.println("MethodA was finished");  //(4)
    }
  }

  void methodB() throws FileNotFoundException {  //(2)
    FileReader exFile = new FileReader("exFile.txt");
  }
}

ExException8{
  public static void main (String[] args) {
    ExException8 Ex8 = new ExException8();
    Ex8.methodA();
  }

  void methodA() {
    try {
      methodB();  //(1)
    } finally {
      System.out.println("This program was finished");  //(3)
    }
  }

  void methodB() throws ArithmeticException {  //(2)
    System.out.println("答えは" + (100/0));
  }
}

class ExException9{
  public static void main (String[] args) {
    int x = Integer.parseInt(args[0]);
    if(x >= 10) {
      throw new IllegalArgumentException
                ("10以下の値を入力してください");
    }
  }
}