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boolean isCapitalized(String s) {
  try {
    if (s.equals("""")) {
      return true;
    }
    String first = s.substring( 0, 1);
    String rest = s.substring( 1);
    return (first.equals (first.toUpperCase()) &&
	    rest.equals (rest.toLowerCase()));
  } catch (RuntimeException exception) {
    ExceptionReporter.report(exception);
  }
  return false;
}

boolean isCapitalized(String s) {
  try {
    if (s.equals("""")) {
      return true;
    }
    String first = s.substring( 0, 1);
    String rest = s.substring( 1);
    return (first.equals (first.toUpperCase()) &&
	    rest.equals (rest.toLowerCase()));
  } catch (NullPointerException exception) {
    ExceptionReporter.report (exception);
  }
  return false;
}

public class DivideException {
  public static void main(String[] args) {
    try {
      division(200,5);
      division(200,0); //divide by zero
    } catch (Exception e) { System.out.println(""Divide by zero exception : "" + e.getMessage()); }
  }

  public static void division(int totalSum, int totalNumber) throws ArithmeticException, IOException  {
    int average  = totalSum/totalNumber;
    // Additional operations that may throw IOException...
    System.out.println(""Average: ""+ average);
  }
}

try {
  division(200,5);
  division(200,0); // Divide by zero        
} catch (ArithmeticException ae) { 
  throw new DivideByZeroException(); 
}
  // DivideByZeroException extends Exception so is checked
  catch (Exception e) { 
  System.out.println(""Exception occurred :"" + e.getMessage());
}	

import java.io.IOException;

public class DivideException {
  public static void main(String[] args) {
    try {
      division(200,5);
      division(200,0); // Divide by zero        
    } catch (ArithmeticException ae) { 
      throw new DivideByZeroException(); }
      // DivideByZeroException extends Exception so is checked
      catch (IOException ie) { 
      System.out.println(""I/O Exception occurred :"" + ie.getMessage()); 
    }	    
  }

  public static void division(int totalSum, int totalNumber) throws ArithmeticException, IOException  {  
    int average  = totalSum/totalNumber; 
    // Additional operations that may throw IOException...
    System.out.println(""Average: ""+ average);   	
  }
}