String Objects: Concatenation, Literals, and More

AP Computer Science A· difficulty 4/5

char c = 'X';
int n = c + c;
System.out.println(n);

What is printed?

A
$88$
B
$XX$
C
$176$
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D
$Error$

Explanation

Without a string operand, char + char promotes to int arithmetic; 'X' is 88, so 88 + 88 = 176.

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