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Java Programs - Solved 2017 ICSE Computer Science Paper

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Solved 2017 ICSE Computer Science Paper

Class 10 - ICSE Computer Science Solved Papers

Abbreviation Program - ICSE 2017 Specimen Computer Science

Write a program to accept a sentence and print only the first letter of each word of the sentence in capital letters separated by a full stop.
Example:
INPUT: This is a cat.
OUTPUT: T.I.A.C.

Java 

import java.io.*;
class Sentence{
    public static void main(String args[])throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        System.out.print("Enter the sentence: ");
        String s = br.readLine();
        s = s.trim();
        s = s.toUpperCase();
        String t = "";
        for(int i = 0; i < s.length(); i++){
            if(i == 0 || s.charAt(i - 1) == ' ')
                t += s.charAt(i) + ".";
        }
        System.out.println(t);
    }
}

Output

 
 OUTPUT : 
Enter the sentence: This is a cat.
T.I.A.C.
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