What is a static method?

1080

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

1007

---

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

985

---

What if the main method is declared as private?

944

---

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

969

---

What do you understand by downcasting?

981

---

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

908

---

Can the main method be declared final?

1101

---

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

983

---

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

940

---

Why there are no global variables in java?

1002

---

What do you understand by numeric promotion?

1081

---

Explain the encapsulation principle.

972

---

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

993

---

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

947

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