Which of the following classes will have more memory allocated?

1017

---

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

972

---

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

1072

---

Give an example of use of pointers in java class.

1031

---

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

1066

---

What is the purpose of static methods and static variables?

1072

---

What are java packages?

1035

---

How can you generate random numbers in java?

1049

---

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

1240

---

How can an exception be thrown manually by a programmer?

1003

---

How we can execute any code even before main method?

1141

---

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

998

---

Why strings in java are called as immutable?

992

---

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

1019

---

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

1014

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