To increase the performance of repeated string concatenation, a Java compiler may use the StringBuffer class or a similar technique to reduce the number of ... ... <看更多>

import java.util.*; public class Main { public static void main(String[] args) { List<String> list = new ArrayList<>(); list.add("This is ... ... <看更多>

한줄에서 상수와 다른 String 클래스를 더하는 것은 StringBuffer의 append, ... Java 1.5 이상에서는 String더하기가 StringBuilder로 치환된다는 것을 듣고나서, ... ... <看更多>

How do most developers write to their logs – String concatenation, parameterized logging or both? We took the top 400,000 Java repositories ... ... <看更多>

I was asked about immutable strings in Java. I was tasked with writing a function that concatenated a number of "a"s to a string. What I wrote: public ... ... <看更多>