What is a static method?

1010

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What is the difference between the boolean & operator and the && operator?

944

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What is meant by pass by reference and pass by value in java?

912

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What if the main method is declared as private?

875

---

Explain the reason for each keyword of public static void main(string args[])?

908

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What do you understand by downcasting?

924

---

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

848

---

Can the main method be declared final?

1022

---

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

929

---

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

876

---

Why there are no global variables in java?

938

---

What do you understand by numeric promotion?

1006

---

Explain the encapsulation principle.

908

---

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

922

---

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

891

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