What are java packages? What is the significance of packages?

0 Answers  

---

how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT

0 Answers   Google,

---

what's diff between struts 1.1 & 1.2

3 Answers   Wipro,

---

Can we override private method in java?

0 Answers  

---

What is anonymous inner class?

0 Answers  

---

---

How do you compare objects in java?

0 Answers  

---

What is java lang string?

0 Answers  

---

what is the use of Clonable,and serializable interface?

1 Answers  

---

After compilation of java program we'll get .class code. If it's generated in OS Windows XP will it work on OS Linux? If yes why? If no why?

5 Answers   Aricent,

---

Which is better singleton or static class?

0 Answers  

---

How do you know if a value is nan?

0 Answers  

---

How many Java environments are there?

1 Answers   Phantom Technologies,

---