How is String's + operator implmemented?

Question

What happens when executing

String s = "str" + 2;

Is there a method of String class that correspond exactly to the + operator?

Create a small testcase and use javap to disassemble it. – Hot Licks Jun 08 '14 at 12:10 — Hot Licks, Jun 08 '14 at 12:10

score 1 · Accepted Answer · answered Jun 08 '14 at 12:11

1

From Java Language Specification (emphasis mine):

If only one operand expression is of type String, then string conversion (§5.1.11) is performed on the other operand to produce a string at run time. The result of string concatenation is a reference to a String object that is the concatenation of the two operand strings.

answered Jun 08 '14 at 12:11

Christian Tapia

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I don't think this fully answers the question. The duplicate does a much better job... – Boris the Spider Jun 08 '14 at 12:13

How is String's + operator implmemented?

1 Answers1