In this tutorial I will show you how the program will ask the user to give a string and then the program will count the number of characters in the given string using Java programming language. I am using eclipse as my IDE and OpenJDK.

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Program Listing

/**
 * @author Jake Rodriguez Pomperada,MAED-IT, MIT
 * www.jakerpomperada.com    www.jakerpompomperada.blogspot.com
 * jakerpomperada@gmail.com
 * Bacolod City, Negros Occidental Philippines
 *
 */
import java.util.Scanner;

class String_Length_Demo
{
	public static void main(String x[])
	{
		Scanner input=new Scanner(System.in);	
		
		System.out.print("\n\n");
		System.out.print("\tString Length in Java");
		System.out.print("\n\n");
		System.out.print("\tGive a String : ");	 
		String str=input.nextLine(); 
		int len=str.length();
		System.out.print("\n\n");
		System.out.println("\tGive string contains "+len+" characters");
		System.out.print("\n\n");
		System.out.print("\tEnd of Program");	
	}
 
}

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