Answer to Question #166809 in Java | JSP | JSF for Chandra sena reddy

Question

finding weather all the given input array elements are strings

Answer 1

import java.util.Scanner;


public class Q166809 {
	
	public static void main(String[] args) {
		// Scanner object
		Scanner keyboard = new Scanner(System.in);
		try {
			//Declare array
			String strings[];
			// Get the number of strings from the user
			System.out.print("Enter the number of strings: ");
			int N = keyboard.nextInt();
			strings=new String[N];
			keyboard.nextLine();
			// Get the string from the user
			for(int i=0;i<N;i++) {
				System.out.print("Enter the string: ");
				strings[i] = keyboard.nextLine();
			}
			// Display result
			for(int i=0;i<N;i++) {
				if(isString(strings[i])) {
					System.out.println("\""+strings[i] +"\" is a string");
				}
			}
		} catch (Exception e) {
			// Display the error message:
			System.out.print("Incorrect value");
		}
		// close Scanner
		keyboard.close();
	}
	/**
	 * This function allows to check if a string has only letters
	 * @param string
	 * @return
	 */
	public static boolean isString(String string)
	{
	    for (char c : string.toCharArray())
	    {
	        if (!Character.isLetter(c)) return false;
	    }
	    return true;
	}
}