Program to count letter, Digit, Special Char, Blank Space in a sentence

In this we learn Program to count letter, Digit, Special Char, Blank Space in a sentence

Program to count letter, Digit, Special Char, Blank Space and Words in the sentence

import java.io.*;
class Space{
public static void main(String args[]) throws IOException
{
	String s; //Declaration os String varible to read the sentence
	BufferedReader r=new BufferedReader(new 	 
        InputStreamReader(System.in));//assigning new input method
	System.out.println("Enter the sentence"); //prompt the user to 
         enter the sentence
	s=r.readLine(); //Read the user entered sentence into variable 
	int i=1; //for count of loop
	int a=0; //For count of alphabet
	int d=0; //For count of digit
	int sc=0; //For count of special character
	int bs=0; //For count of blank spaces
	int w=1; //For count of words
	char ch; //For a single character of sentence
	int l=s.length(); //String length of sentence in variable l
	for(i=0;i<l;i++)
	{
		ch=s.charAt(i);
		if(Character.isLetter(ch) )
			++a;
		else
		if(Character.isDigit(ch))
			++d;
		else
		if(ch==' ')
			++bs;
		else
			++sc;
	}
	System.out.println("There are "+a+" Alphabet");
	System.out.println("There are "+d+" Digit");
	System.out.println("There are "+sc+" Special Character");
	System.out.println("There are "+bs+" Blank Spaces");
	for(i=0;i<l;i++)
	{
		if(s.charAt(i)==' ')
			w++;
	}
	System.out.println("There are "+w+" Word");
}//END OF MAIN
}//END OF CLASS

OUTPUT.

C:\A>javac Space.java
C:\A>java Space
Enter the sentence
January2018 #$ ,
There are 7 Alphabet
There are 4 Digit
There are 3 Special Character
There are 2 Blank Spaces
There are 3 Word

Also, you can use the Java compiler to compile a program.

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