In this article, we will discuss the concept of the Java program to count the total number of characters including space in the given string
In this post, we are going to learn how to count the total number of character including space of the given String in Java programming language
The program allows the user to enter a String and then it counts and display the total number of characters including space of the given string using for loop in Java programing language
Program 1
import java.util.Scanner; public class Count_WordOfString{ public static void main(String args[]){ String str; //variable declaration int count=0; Scanner scan=new Scanner(System.in); //create a scanner object for input System.out.print("Enter the String for count characters \n "); str=scan.nextLine(); //count each character without space for(int i=0; i<str.length(); i++){ if(str.charAt(i)!='\0'){ count++; } } //display the total number of characters in te given string System.out.print("Total number of character in a string: "+count); } }
When the above code is executed, it produces the following result
Enter the String for count characters Java Language Total number of character in a string:13
Approach
The program allows the user to enter a String and then it counts and display the total number of characters including space of the given string using while loop in Java programing language
Program 2
import java.util.Scanner; public class Count_WordOfString1{ public static void main(String args[]){ String str; //variable declaration int count=0; Scanner scan=new Scanner(System.in); //create a scanner object for input System.out.println("Enter the String for count characters "); str=scan.nextLine(); //count each character without space int i=0; while(i<str.length()){ if(str.charAt(i)!='\0'){ count++; } i++; } //display the total number of characters in te given string System.out.print("Total number of character in a string:"+count); } }
When the above code is executed, it produces the following result
Enter the String for count characters Java Program Total number of character in a string:12
Approach
The program allows the user to enter a String and then it counts and display the number of characters including space of the given string using do-while loop in Java programing language
Program 3
import java.util.Scanner; public class Count_WordOfString2{ public static void main(String args[]){ String str; //variable declaration int count=0; Scanner scan=new Scanner(System.in); //create a scanner object for input System.out.println("Enter the String for count characters "); str=scan.nextLine(); //count each character without space int i=0; do{ if(str.charAt(i)!='\0'){ count++; } i++; }while(i<str.length()); //display the total number of characters in te given string System.out.print("Total number of character in a string:"+count); } }
When the above code is executed, it produces the following result
Enter the String for count characters Java OOP Language Total number of character in a string:17
Approach
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do-while loop in Java language
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