Answer Posted / anuj

Java SE 6 specification focused on new specifications and APIs including:
–XML processing and Web services
–JDBC 4.0
–Annotation-based programming
–Java compiler APIs
–Application client GUI APIs

http://www.kingtraining.com/confdownloads/downloads/Java6Java5NewFeatures_slides.pdf

What are green threads in java?

972

---

What is the difference between hashmap and hashtable? What is an interface?

1104

---

What does int argc char * argv [] mean?

957

---

How do you implement polymorphism in our day to day life?

3194

---

Is array a class in java?

943

---

What is a java object and java application?

1009

---

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

1028

---

Can we assign integer value to char in java?

983

---

In a program, initializing an array of 100 KB is throwing an out of memory exception while there is 100 MB of memory available. Why?

1004

---

Explain with example the concept of constant variable in java.

1131

---

Why we use protected in java?

943

---

What is string immutability?

1050

---

List implementations of list interface?

1004

---

Can we use a default constructor of a class even if an explicit constructor is defined?

1069

---

What are the loops in java?

968

---