Find ASCII value of a character in Java

 Find ASCII value of a character in Java

package test;

 

import java.util.Arrays;

 

public class charToInt {

 

       public static void main(String[] args) {

 

             char[] lowerChar = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};

             char[] upperChar = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};

             char[] specialChar = {'@','[','(','}','-'};

             int[] lowerCharToNum = new int[26];

             int[] upperCharToNum = new int[26];

             int[] specialCharToNum = new int[specialChar.length];

             for(int i=0;i<lowerChar.length;i++) {

                    char ch1 = lowerChar[i];

                    char ch2 = upperChar[i];

                    lowerCharToNum[i] = (int)ch1;

                    upperCharToNum[i] = (int)ch2;

                    //OR no need of Type Casting, it happens automatically, like below              

lowerCharToNum[i] = ch1;

                    upperCharToNum[i] = ch2;

             }

            

             for(int i=0;i<specialChar.length;i++) {

                    char ch3 = specialChar[i];

                    specialCharToNum[i] = (int)ch3;

             }

            

              System.out.println("lowerCharToNum:\n"+Arrays.toString(lowerCharToNum));

              System.out.println("upperCharToNum:\n"+Arrays.toString(upperCharToNum));

              System.out.println("specialCharToNum:\n"+Arrays.toString(specialCharToNum));

 

 

       }

 

}

 

Output:

lowerCharToNum:

[97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122]

upperCharToNum:

[65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90]

specialCharToNum:

[64, 91, 40, 125, 45]