What is busy spin, and why should you use it?

1030

---

What are the default and parameterized constructors?

1027

---

How do you take thread dump in java?

952

---

Why java is not 100% object-oriented?

1449

---

What are the different ways of implementing thread? Which one is more advantageous?

945

---

What is the covariant return type?

1033

---

Explain a few methods of overloading best practices in java?

927

---

Is it possible for a yielded thread to get chance for its execution again?

902

---

What is the static keyword?

1040

---

What is the most important feature of java? What is an interface?

963

---

What best practices should you follow while writing multithreaded code in java?

1007

---

How do you convert string to int in java?

1026

---

What is the difference between final, finally and finalize() in java?

1075

---

What is an immutable object?

1053

---

How do you identify if jvm is 32-bit or 64-bit from java program?

918

---