[StringとStringBuilderの違い] 完結に書くと、 Stringはimmutable (不変) StringBuilderはmutable (可変) 提供されているメソッドでreplaceなどはメソッド名は同じだが挙動が違う。 StringBuilderはバッファを持つ。 このimmutableとmutableはメモリ上でどのような違いを見せるのでしょうか。

In response to my recent blog posting Immutable Java Objects , Matt brought up a good point of discussion related to making Java classes truly immutable by declaring them as ...

Java doesn't work like this, java.lang.String and java.lang.StringBuffer aren't related through inheritance and when you call StringBuffer.toString () a brand new String is created with a copy of ...

Immutable objects are highly desirable . Because an immutable object's state cannot be changed, they are particularly useful in concurrent environments . Immutable options can simplify code and ...