Which of the following classes will have more memory allocated?

993

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Does importing a package imports its sub-packages as well in java?

949

---

How objects of a class are created if no constructor is defined in the class?

1036

---

Give an example of use of pointers in java class.

990

---

I want to persist data of objects for later use. What is the best approach to do so?

1028

---

What is the purpose of static methods and static variables?

1025

---

What are java packages?

998

---

How can you generate random numbers in java?

1003

---

When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?

1214

---

How can an exception be thrown manually by a programmer?

957

---

How we can execute any code even before main method?

1101

---

Can we call a non-static method from inside a static method?

975

---

Why strings in java are called as immutable?

961

---

What is the difference between an inner class and a sub-class?

966

---

Is it compulsory for a try block to be followed by a catch block in java for exception handling?

978

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