convert int to char

[chrispi]

hello everybody!

i want to alter letters like this:

char letter;
int k;
...
letter + k

for example: a+1=b, b+1=c; x+2=z;...


i did it like that:

{
...
String b;
char a,y;
int k = 1;
...
b = readWord(); // input is the letter 'A'

a = b.charAt(0);

y = a + k;

print(y);
...
}

output: 66 ('B' in ASCII) but i want the letter 'B' to be put out. how can i convert the "int" into a "char" again?

later i want to 'crypt' a whole string.

thx and nice greez



ps.: sorry for the sloppy english!

[ArchAngel]

It's quite simple, you just do a cast to a char:

int numericValue = 66;
char c = (char)numericValue;

This 'forces' the value into a character variable.

[chrispi]

already tried it like this:

String b;
char a,z;
int x;

print("String: ");
b = readWord();

a = wort.charAt(0);

x = a;
z = (char)x;

println(z);

doesn't work
whats wrong?

thx for helping, greez
chris

[ArchAngel]

I adjusted your code to get it to compile and it behaved as expected, in this case, printing out 'B'.

  public class Test {
        public static void main(String[] args) {
           String b;
           char a,z;
           int x;

           System.out.println("String: ");
           b = "Beautiful!";

           a = b.charAt(0);

           x = a;
           z = (char)x;

           System.out.println(z);

        }
  }

Run this code. Tell me if this is what you want.

ArchAngel.

[vercingetorix]

Hi, out of curiosity I tried to run your code.. with
import java.swing.*; above the code. And then: 'java Test' at the prompt to create java application.

The error encountered it says:
$ /usr/j2se/bin/java test
Exception in thread "main" java.lang.NoClassDefFoundError: Test

Wonder what exactly is the problem?

Is System.exit( 0 ); needed b4 the end of the main to terminate application?

[vercingetorix]

I got it! I should have compiled it with javac then run with java Test.

The output is:
String
B

Sorry.