Given
String s = "a" + "b" + "c";
Is it possible to transform it to
StringBuilder s = new StringBuilder().append("a").append("b").append("c");
Given String s = a + b + c; Is it possible to transform
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Given
String s = "a" + "b" + "c";
Is it possible to transform it to
StringBuilder s = new StringBuilder().append("a").append("b").append("c");
There is an intention for this, called Replace ‘+’ with ‘StringBuilder.append()’.
At least, it’s offered to me – I’m using IDEA 12 EAP (Early Access Program).
You can get it here: IDEA 12 EAP
The intention is offered when the caret is on the concatenated sequence, not from the String variable declaration itself.
Of course, after the transformation IDEA will inform you that such an append() sequence is silly, and will offer to simplify to a regular concatenation without any downsides.