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import java.io.*; public class casechange { public static void main()throws IOException { BufferedReader r = new BufferedReader(new InputStreamReader(System.in)); String s, s2=""; int l, i, j; char ch; System.out.println("Enter a string:"); s = r.readLine(); l = s.length(); for(i=0;i<l;i++) { ch = s.charAt(i); if(ch>='A'&&ch<='Z') ch = (char)(ch+32); else if(ch>='a'&&ch<='z') ch = (char)(ch-32); s2+=ch; } System.out.println("Input: "+s); System.out.println("Output: "+s2); } } |
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<h3>Output</h3> Enter a string: This Is the COUNtry of INDIA Input: This Is the COUNtry of INDIA Output: tHIS iS THE counTRY OF india |
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Write a program to input a string and change the letters in upper case to lower case and vice versa.- Write a program to input a sentence and print the words in odd positions in capital letters and those in even positions in small letters.
- Write a program in java to print the values of X and Y where X = 0,1,2,3,4…10 and Y is given by the babbage function Y = X² + X + 41
sir can we do it in other way
by extracting each alphabet using for loop and converting it into uppercase and storing it in another variable …after that we will check that the converted alphabet is equal to the value of “i”
if true we will convert it into lower case
and if false we will print the value of “i” ……???????????????????????????????????????