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How Garbage collector works internally What is collision Can two objects have same hashcode From employee list select highest salary How concurrent hashMap internally works Bean scope How you handle exception in Spring Find Duplicate name in arrayList @Transcational Annotation is used for? How you will implement API How you test API JPS? what is difference between singleton in java and singleton in spring Optional Throwable
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Senior Java Developer

Interviewed at Tesco

3.8★
May 22, 2022

How Garbage collector works internally What is collision Can two objects have same hashcode From employee list select highest salary How concurrent hashMap internally works Bean scope How you handle exception in Spring Find Duplicate name in arrayList @Transcational Annotation is used for? How you will implement API How you test API JPS? what is difference between singleton in java and singleton in spring Optional Throwable

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