Why oracle type 4 driver is named as oracle thin driver?

873

---

Can the main method be declared final?

1047

---

Why doesn’t the main method throw an error with no arguments?

951

---

How can I write a program that takes command line input?

899

---

Why there are no global variables in java?

960

---

What do you understand by numeric promotion?

1033

---

Explain the encapsulation principle.

932

---

How can one prove that the array is not null but empty?

949

---

Does jvm maintain a cache by itself? Does the jvm allocate objects in heap? Is this the os heap or the heap maintained by the jvm? Why

915

---

Can an application have multiple classes having main method?

953

---

In system.out.println(), what is system, out and println?

1027

---

Can I have multiple main methods in the same class?

917

---

How can I swap two variables without using a third variable?

993

---

Is jvm a compiler or an interpreter?

1061

---

What is data encapsulation?

1006

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