program to count the position of first space and last space in java
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import java.util.Scanner; // Import the Scanner class
class Main {
public static void main(String[] args) {
Scanner input = new Scanner(System.in); // Create a Scanner object
System.out.println("Enter a string: "); //Ask user for input
String enteredString = input.nextLine(); //Get input with scanner object
int firstInstance = enteredString.indexOf(" "); //Find the first instance of space
int lastInstance = enteredString.lastIndexOf(" "); //Find the last instance of space
System.out.println("First instance of space was at " + firstInstance + ". Last instance of space was at " + lastInstance + "."); //Print them both
}
}
Explanation:
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