Converting Character Representation of Integer to Integer in Java

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SUMMARY

This discussion focuses on converting a character representation of an integer to an actual integer in Java. The user initially attempts to add an integer to a character, which results in a compilation error. The solution provided uses Integer.parseInt(String.valueOf(nmbr.charAt(pst))), which successfully converts the character to an integer. A more concise alternative is suggested using Integer.parseInt("" + (nmbr.charAt(pst))), and a custom function convert_add(char x, int y) is proposed for added convenience.

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bomba923
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:redface: Is there a way to convert a character representation of an integer into an integer (with integer representation :rolleyes:)?
*for example (I'll add 8 to a certain digit in an integer),

String nmbr; //where I enter a number
int pst; //an integer representing the position of that digit in the number

System.out.println( nmbr.charAt(pst) + 8 );

---------
Obviously, I cannot add a character and an integer. Thus, I change to:
---------

System.out.println( Integer.parseInt(String.valueOf(nmbr.charAt(pst))) + 8 );

-----------------------
and it works, no compiling errors.

*However, is there a shorter way of converting a character representation of an integer to...well, an integer? :frown: Shorter than typing out:

" Integer.parseInt(String.valueOf(nmbr.charAt(pst))) " ?
 
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I would rather not prefer a shorter option. Integer.parseInt(String.valueOf(nmbr.charAt(pst))) is a neat code. The best you can do is Integer.parseInt("" + (nmbr.charAt(pst)), and one function call can be eliminated.

However, if you want, you can always define a new function:
Java:
int convert_add(char x, int y){
    int sum = Integer.parseInt(Character.toString(x)) + y;
    return sum;
}
 

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