Explain the difference between association, aggregation and inheritance relationships.

0 Answers  

---

Can we override singleton class?

0 Answers  

---

What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.

6 Answers   iFlex, Sapient,

---

What are Access Specifiers and Access Modifiers.

6 Answers   TCS,

---

Why should I use abstract class?

0 Answers  

---

---

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

0 Answers  

---

How to find the index of the largest number in an arraylist java?

0 Answers  

---

What is a jit compiler?

0 Answers  

---

Name the immediate superclass of the MenuComponent class?

1 Answers  

---

what is the difference b/w static and final methods?

1 Answers  

---

How many types of classes are there in java?

0 Answers  

---

What method is used to know the status of Checkbox(i.e it is checked or unchecked)?

1 Answers  

---