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What is the range of the char type
The range of the char type is 0 to 2^16 - 1.
anita
- Apr 14th, 2015
According to me size of char type is 2^15-1..
sentientmachine
- Mar 9th, 2011
In java, the range of a char type is 0 to 65535 or0 to +((2^16)-1)Getting java to print out the MIN_VALUE and max value is tricky because the characters at position 0 and 65535 are unprintable. ...
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Java Persistance API
What is JPA, can we use JPA without hibernate (hibernate3.jar)? Explain with samples?
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What happens when you add a double value to a String
The result is a String object.
Kevin Leonyx
- Mar 19th, 2015
What happens when we add a double to a string
Sandhya.Kishan
- Jul 14th, 2012
When we add double value to a string it returns a string representation of the double argument.
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What is the value of 111 % 13?
A) 3B) 5C) 7D) 9
vis
- Mar 17th, 2015
7
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What is the difference between one dimensional array and multidimensional array?
Answer
- Mar 29th, 2012
A one-dimensional array is a structured collection of components (often called array elements) that can be accessed individually by specifying the position of a component with a single index value.Two...
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Predict the output of the given code:
javapublic class Test {
private static String msg = "HCL ";
static{
Thread t = new Thread(new Runnable(){
public void run(){
msg = "Technologies ";
}
});
t.start();
}
public static void main(String[] args){
System.out.print(msg);
}}
a) Compiles and prints HCL
b) Compiles and prints Technologies
c) Compiles and... -
What is the preferred size of a component
The preferred size of a component is the minimum component size that will allow thecomponent to display normally.
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Which characters may be used as the second character of an identifier,but not as the first character of an identifier
The digits 0 through 9 may not be used as the first character of an identifier but they maybe used after the first character of an identifier.
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Java code to set column width in CSV file
Can someone help on how to set the column width in CSV file using javacode.
I have used FileWriter class to upload data into the csv file. Results are getting populated properly but csv file showing results with default column width. Is there a way we can set the width of the column dynamically based on result length or set fixed length?
Dusmanta
- Nov 12th, 2014
Use Apachae POI jar for this HSSFSheet sheet = workBook.createSheet("testXls");
Code- // Code to Auto size the column widths
- for(int columnPosition = 0; columnPosition< 5; columnPosition++) {
- sheet.autoSizeColumn((short) (columnPosition));
- }
Abhishek Mishra
- Oct 8th, 2014
Account,LastName,FirstName,Balance,CreditLimit,AccountCreated,Rating 101,Reeves,Keanu,9315.45,10000.00,1/17/1998,A 312,Butler,Gerard,90.00,1000.00,8/6/2003,B 868,Hewitt,Jennifer Love,0,17000.00,5/25/1...
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JUnit
What is JUnit and how it is used?
Satendra Kumar
- Nov 10th, 2014
JUnit is primary testing which is done by programmer to ensure that my code is a quality code.
we can used unit testing by creating test cases ........Abhishek Mishra
- Oct 10th, 2014
"java import org.junit.*; public class TestFoobar { @BeforeClass public static void setUpClass() throws Exception { // Code executed before the first test method ...
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Python programming
How do i write a module to keep count of the amount of guesses it takes to guess the number correctly?
Abhishek Mishra
- Oct 8th, 2014
"c # This is a guess the number game. import random guessesTaken = 0 print(Hello! What is your name?) myName = input() number = random.randint(1, 20) print(Well, + myName + , I am...
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Explain White box testing related to Java ?
Abhishek Mishra
- Oct 5th, 2014
White Box Testing is a software testing method in which the internal structure/design/implementation of the item being tested is known to the tester. The tester chooses inputs to exercise paths throug...
ABHISHEK MISHRA
- Oct 5th, 2014
White box testing is the detailed investigation of internal logic and structure of the code. White box testing is also called glass testing or open box testing. In order to perform white box testing o...
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In order for a source code file, containing the public class Test, to successfully compile, which of the following must be true?
A) It must have a package statementB) It must be named Test.javaC) It must import java.langD) It must declare a public class named Test
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When object is created in Java. Is it during compile time or run time?
Keshav v. devale
- Sep 1st, 2014
Array of object created on run time?
Because user assigned values by runtime
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What is the difference between the >> and >>> operators
The >> operator carries the sign bit when shifting right. The >>> zero-fills bits that havebeen shifted out.
Suraj Patil
- Aug 16th, 2014
When you deals with >> operator, only shifting is done by moving count times towards right without any replacement by zero. but when you deals with >>> operator them like >> this operator but only di...
infant
- Oct 5th, 2005
While dealing with (+)ve numbers there is no difference between >>> and >> operators.Both operators shift zeros into the upper bits of a number.The difference arises when dealing with (...
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Why Bind variables will be deleted when you restart the server. Can you change this scenario.
I am trying to develop a small application. In this i have provided registration and login form. Username and password are stored in the JNDI server. This application is working fine. but when i am restarting the server, all the bind variables are deleting. why? i want to store them permanently. can you provide me the solution.
Thanks in advance. -
What is the legal range of a byte integral type?
A) 0 - 65, 535B) (-128) - 127C) (-32,768) - 32,767D) (-256) - 255
Java Interview Questions
Ans