Home ClassX (ICSE) Astonishing Java String Programs part-III

Astonishing Java String Programs part-III

April 14, 2020

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Java String programs: They are asked for more than 15 marks in the ICSE computer application class X

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Write a program To extract letters of a word(String)
For example if the string is programs, the output will be p, r, o ,g, r, a, m in different lines.

import java.io.*;
class Extract
{
    public static void main()throws IOException
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Enter a word");
        String wrd= br.readLine();
        int len=wrd.length();
        for (int i=0;i<len;i++)
        {
            char ch=wrd.charAt(i);
            System.out.println(ch);
        }
    }
}

Output:-
Enter a word
Computer

C
o
m
p
u
t
e
r

Write a program to extract words of a sentence.

import java.io.*;
class ExtractWord
{
    public static void main()throws IOException
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Enter a sentence");
        String str= br.readLine();
        int len=str.length(); 
        int d=0;
        for (int i=0;i<len;i++)
        {
            char ch=str.charAt(i);
            if(Character.isWhitespace(ch))
            {
                String temp=str.substring(d,i);
                d=i;
                System.out.println(temp.trim());
            }
        }
    }
}

Enter a sentence
This is computer program
This
is
computer
program