Concatenation of Strings and characters

Question

The following statements,

String string = \"string\";   

string = string +((char)65) + 5;
System.out.println(string);

Produce the output <

Answer 1

It is the same case as the example:

System.out.println("abc"+10 + 5);

produces abc105 (add as String)

and

System.out.println(5 + 10);

produces 15 (add as Number)

The String included in the (first place of the) operation forces all the elements to be treated as Strings while executing the operation. In your case with += however, the operation is executed first in the right part (treating the elements as int) because of the operator precedence and then is concatenated with the String.