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Categories >> Software >> Java Related >> Java J2EE >> Core Java


 Core Java interview questions  Core Java Interview Questions (1720)
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How can you take string into InputStream?
 Question Submitted By :: Guest
I also faced this Question!!     Rank Answer Posted By  
  Re: How can you take string into InputStream?
# 1
string are converted to bytes and taken to FileInputStream 
Is This Answer Correct ?    0 Yes 1 No
  Re: How can you take string into InputStream?
# 2
String str="";
int i=0
InputStream in=new FileInputStream("File url");

Is This Answer Correct ?    1 Yes 0 No
Himanshu Gupta
  Re: How can you take string into InputStream?
# 3
Step 1: Convert String to byte array

Step 2: Create a ByteArrayInputStream passing bytes[] to to
the contructor
Is This Answer Correct ?    4 Yes 0 No
Sudhakar P

Other Core Java Interview Questions
  Question Asked @ Answers
public class AboutStrings{ public static void main(String args[]){ String s1="hello"; String s2="hel"; String s3="lo"; String s4=s2+s3; //to know the hash codes of s1,s4. System.out.println(s1.hashCode()); System.out.println(s4.hashCode()); // these two s1 and s4 are having same hashcodes. if(s1==s4){ System.out.println("s1 and s4 are same."); }else System.out.println("s1 and s4 are not same."); } } Somebody told me that, == operator compares references of the objects. In the above example even though s1 and s4 are refering to same object(having same hash codes), it is printing s1 and s4 are not same. Can anybody explain in detail why it is behaving like this? Thanks in Advance RavuriVinod TCS 4
is set interface synchronized by default??? Manhattan 2
Does a class inherit the constructor of its super class?if it does, how can you hide that constructor? if it doesnot how can you call it from the sub class?   2
In C we use only compiler. Why java uses both compiler and interpreter? What is its significance?   5
what are the differences between final,finally,finalize methods? IBM 14
Which method will get invoked first in a stand alone application?   1
Explain method overloading and overriding?   6
What do you mean by the term transient? Ericsson 5
Hi can u pls tell me what is the use of marker interface. Iknow what is marker interface but what ability will the object get by implementing this. CGI 3
what are depricated methods ? Satyam 5
How are this() and super() used with constructors?   8
what is the use of datasource in core java? Satyam 3
For more Core Java Interview Questions Click Here 

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