Using a few tricks in Java, we can print the alphabets both in lowercase and uppercase. Lowercase letters start from "a" and end with "z". Uppercase alphabets begin with "A" and end with "Z". It is also worth noting that alphabets increase value. For this reason, we shall use the for loop to print the alphabets from the first to the last in each case.
// for lowercasefor(alphabet = "a"; alphabet <= "z"; alphabet++)// for uppercasefor(alphabet = "A"; alphabet <= "Z"; alphabet++)
In the syntax above, we used a for loop to print all alphabets. For lowercase, we start with "a", and for every loop iteration, the alphabet increases in value, that is from "a" to "b" , "c" , etc. to "z"; hence, the condition alphabet <="z". The same logic applies to uppercase alphabets.
class HelloWorld {public static void main( String args[] ) {// print lowercase alphabetsSystem.out.println("lowercase alphabets:");char lowercaseAlphabet;for(lowercaseAlphabet = 'a'; lowercaseAlphabet <= 'z'; lowercaseAlphabet++){System.out.print(lowercaseAlphabet);}System.out.println("---------------------");// print uppercase alphabetsSystem.out.println("UPPERCASE ALPHABETS:");char uppercaseAlphabet;for(lowercaseAlphabet = 'A'; lowercaseAlphabet <= 'Z'; lowercaseAlphabet++){System.out.print(lowercaseAlphabet);}}}
In the code above:
lowercaseAlphabet which represents each alphabet.uppercaseAlphabet which represents each uppercase alphabet.