What is collection class in java?

1058

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Differentiate between the constructors and methods in java?

999

---

What are the main concepts of oops in java?

1865

---

Why java strings are immutable in nature?

1130

---

What are the autowiring modes?

470

---

Is there a case when finally will not execute?

1065

---

What purpose do the keywords final, finally, and finalize fulfill?

1155

---

What are the different types of garbage collectors in java?

1211

---

What is a finally block?

1038

---

What are the two ways to create a thread?

1068

---

Can we write multiple catch blocks under single try block?

1151

---

What are the differences between processes and threads?

1124

---

How to create a custom exception?

1039

---

What is exception hierarchy in java?

1084

---

What is difference between overloading and overriding in java?

1086

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