Answer Posted / srikanth reddy

-->String objects are constants and immutable where as
StringBuffer objects are mutable
-----------------------------------------
-->in string class we can create object by two ways
1)using new operator --> string s = new String("Java");

2)without new operator --> String s2="raju";

------------------------------------------
-->in string class there string constant pooling technique
but in stringbuffer there is no facility
-------------------------------------------
all the methods in stringbuufer class is synchorined so
thread safe but not in string class

How many bytes is a string java?

1012

---

What is meant by singleton class?

1029

---

What is subsequence of a string?

1089

---

what is mena by object block any what is the use of that

2208

---

What is the meaning of immutable regarding string?

957

---

Can we call virtual funciton in a constructor ?

2197

---

What is difference between == and === in js?

1002

---

What do you mean by inner class in java? Explain

1058

---

What is the purpose of nested class in java?

1076

---

What is the purpose of stub and skeleton?

1026

---

What are the different access modifiers available in java?

1030

---

What is a variable simple definition?

1012

---

what is object slice?

2074

---

Write a program to check for a prime number in java?

1035

---

Is hashset sorted in java?

1177

---