Java quiz. What will the following code display (ASCII code o

What will the following code display (ASCII code of '1' is 49)?


public class Test {
    public static void main(String[] args) {    
        char c1 = '1';
        char c2 = '\u0031';
        char c3 = 49;
        System.out.println(c1 + c2 + c3);
    }
}

111
147
81
Compilation error

Explanation

It is important to understand that the value of a char variable can be set in several ways:

- by using direct symbol
- by using a unicode-representation of this symbol
- by means of an integer.

It is also important to realise that char values do not "concatenate", but sum up, and by default in java result of summing two chars will be of type int, not char.

0 (2)

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\u0031=1 https://www.techonthenet.com/unicode/chart.php

2024 Dec 13, 7:04:44 PM

\u0031 = 1https://www.techonthenet.com/unicode/chart.php

2024 Dec 13, 7:04:10 PM

This is the worst question of all time

2023 Feb 19, 7:13:55 AM

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