How does thread synchronization occurs inside a monitor? What levels of synchronization can you apply?

924

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Why is java called the platform independent programming language?

961

---

What are the data types supported by java?

983

---

What does system.gc() and runtime.gc() methods do?

997

---

How do you ensure that n threads can access n resources without deadlock?

1266

---

When is the finalize() called? What is the purpose of finalization?

1022

---

If an object reference is set to null, will the garbage collector immediately free the memory held by that object?

1096

---

Does garbage collection occur in permanent generation space in jvm?

1032

---

What is a constructor, constructor overloading in java?

972

---

When is the finalize() called?

1133

---

What is difference between fail-fast and fail-safe?

1184

---

When does an object becomes eligible for garbage collection in java?

1014

---

What is the difference between serial and throughput garbage collector?

1044

---

What does the “static” keyword mean?

1056

---

What is the difference between jdk and jre?

1012

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