Double-checked locking pattern

Code reviewConcurrencySenior~18 min

Review this Java lazy singleton.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix, specific and kind.

0:00 of about 18 min

Mark a line and say what kind of problem it is.0 findings

1private static Config instance;

2public static Config get() {

3 if (instance == null) {

4 synchronized (Config.class) {

5 if (instance == null) instance = new Config();

6 }

7 }

8 return instance;

Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.