Answer Posted / ravikiran(aptech mumbai)

Array is not growable where as vector is growable
array can hold similar type of datatype elements...where as
vector holds different datatyped objects

What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?

1036

---

This abstract class is correct ? abstract class A { public abstract void Disp(); public abstract void B() { } public absract virtual C() { } }

985

---

What are keywords and reserved words in java?

1052

---

What is boolean used for?

1020

---

What is final method in java?

1020

---

Which is the best approach for creating thread ?

1205

---

What are heap memory and stack memory and what are memory tables.

980

---

What are the advantages of packages in java?

1588

---

What do you mean by byte code?

999

---

What is ctrl m character?

1053

---

Explain about transient variables in java?

1093

---

Explain wrapper classes in java?

987

---

What are the differences between forwarding () method and sendredirect() methods?

1102

---

What is a JAR file?

1040

---

Is java platform independent?

968

---