What is string value?

732

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Give me some null interfaces in java?

698

---

Where to store local variables?

666

---

Which dependency injection is used for a mandatory dependency?

204

---

What is double checked locking in singleton?

706

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Is java a database?

587

---

what is optional in java 8?

689

---

What does nullpointerexception mean?

726

---

What is subsequence of a string?

706

---

What is http servlet?

674

---

Is httpsession thread safe?

208

---

What is meant by nested loop?

654

---

Why collection is called framework in java?

631

---

What is the default bean scope within spring?

228

---

What is the purpose of the finalize() method?

818

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