Answer Posted / chinmay

vector is a legacy class but ArrayList is a collection class
vector is synchronized where as ArrayList is not

How many types of threads are there in java?

1061

---

Tell me the Importent classes in net package?

2000

---

What is stack class in java?

1038

---

Is array an object in java?

964

---

Can we use different return types for methods when overridden?

1001

---

What is the difference between stringbuffer and stringbuilder?

1058

---

Can an arraylist be empty?

1054

---

How to perform bubble sort in java?

996

---

What is the difference between final, finally and finalize() in java?

1159

---

FOR EXAMPLE WE R HAVING TWO LIST ELEMENTS ..BOTH LISTS CONTAINS ID,NAME,PLACE ..I NEED TO COMPARE BOTH IDS IN TWO LISTS,IF ID'S R SAME MEANS WE HAVE ADD THE DETAILS(LIKE NAME,PLACE) TO MAP...HOW IS POSSIBLE ?CAN ANY ONE SUGGEST?

3476

---

Can It is possible to synchronize the constructor of a Java Class?

1130

---

What is difference between identifier and variable?

1064

---

What is the difference between yielding and sleeping in java programming?

1160

---

What is numeric function?

1018

---

What's the base class of all exception classes?

1062

---