Program to Convert String into Lowercase & Uppercase

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In this program we will take string as an input and check its Lowercase letter and convert it into Uppercase letters and vice versa.In this topic we will take two examples in Example-1 we will convert string Letter into uppercase. And In Example-2 we will take string and will convert its letter into Lowercase letters.

Example-1 Converting to Lowercase String

Program Explanation

  • Start
  • Take String input
    • String s1=sc.next();
    • or Simply String s1=” NOTESHACKER”.
  • Method to convert String into Lowercase
    • s1.toLowercase;
  • Print String s1;
  • End
/*
Java Program to String intro Uppercase */
import java.util.*;
class Lowecase{
 public static void main(String args[]){
  System.out.println("Enter String-1");
  Scanner sc=new Scanner(System.in);
  String s1;
  s1=sc.next();

  System.out.println("Entered String Before Conversion:"+s1);
  System.out.println("String in Lowercase:--"+  s1.toLowerCase());
 }
}

Output:
Enter String-1
NOTESHACKER
Entered String Before Conversion:NOTESHACKER
String in Lowercase:--noteshacker

Example-2 Converting to Uppercase String

Program Explanation

  • Start
  • Take String inputString
    • s1=sc.next();
    • or Simply String s1=” noteshacker”.
  • Method to convert String into Uppercase
    • s1.toUppercase;
  • Print String s1;
  • End
/*
Java Program to String intro Uppercase */
import java.util.*;
class Lowecase{
 public static void main(String args[]){
  System.out.println("Enter String-1");
  Scanner sc=new Scanner(System.in);
  String s1;
  s1=sc.next();

  System.out.println("Entered String Before Conversion:"+s1);
  System.out.println("String in Uppercase:--"+  s1.toUpperCase());
 }
}

Output:
Enter String-1
noteshacker
Entered String Before Conversion:noteshacker
String in Uppercase:--NOTESHACKER

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