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Program Discussion :: Strings
Home > Programs > Strings

276. Write a program enter a string then convert it into upper case.

Answer:

import java.util.*;
import java.lang.*;
import java.io.*;

class Ideone
{
 public static void main (String[] args) throws java.lang.Exception
 {
  
 BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
 String str=br.readLine();
 int l=str.length();
 for(int i=0;i<l;i++)
 {
  char ch=str.charAt(i);
  if(Character.isUpperCase(ch))
  {
   System.out.print(Character.toLowerCase(ch));
  }
  else if(Character.isLowerCase(ch))
  System.out.print(Character.toUpperCase(ch));
  else
  System.out.print(ch);
 } 
}
}

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