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

1015

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Why is java called the platform independent programming language?

1065

---

What are the data types supported by java?

1083

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

1095

---

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

1359

---

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

1144

---

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

1201

---

Does garbage collection occur in permanent generation space in jvm?

1143

---

What is a constructor, constructor overloading in java?

1046

---

When is the finalize() called?

1236

---

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

1292

---

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

1140

---

What is the difference between serial and throughput garbage collector?

1163

---

What does the “static” keyword mean?

1173

---

What is the difference between jdk and jre?

1117

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