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//broken:
public static void main(String[] args){
String firstLine=readLine();
String secondLine=readLine();//will not work
}
public static String readLine(){
Scanner scan=new Scanner(System.in);
String line=scan.nextLine();//throws a NoSuchElementException the second time the method is called
scan.close();//this also closes System.in
return line;
}
//working: reuse the Scanner:
public static void main(String[] args){
Scanner scan=new Scanner(System.in);
String firstLine=readLine(scan);
String secondLine=readLine(scan);//will not work
scan.close();//this also closes System.in
}
public static String readLine(Scanner scan){
String line=scan.nextLine();//throws a NoSuchElementException the second time the method is called
return line;
}
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try {
// Code that may throw a NoSuchElementException
// ...
} catch (NoSuchElementException e) {
// Handle the exception
// This could include logging the error, displaying a message to the user, or taking appropriate action
// Example: Print a message to the console
System.out.println("Error: NoSuchElementException occurred!");
e.printStackTrace(); // Optionally, print the stack trace for debugging purposes
}