Software Engineer Senior Java Developer Interview Questions

26,870 software engineer senior java developer interview questions shared by candidates

In the Java specification, it is considered good practice to override .equals() and .hashCode() both together. In the context of HashMap, explain why implementing only one of the two instead of both can cause problems. You must consider both cases.
avatar

Java Software Developer

Interviewed at IMC Trading

4.1
Apr 18, 2015

In the Java specification, it is considered good practice to override .equals() and .hashCode() both together. In the context of HashMap, explain why implementing only one of the two instead of both can cause problems. You must consider both cases.

Viewing 901 - 910 interview questions

Glassdoor has 26,870 interview questions and reports from Software engineer senior java developer interviews. Prepare for your interview. Get hired. Love your job.