package org.kodejava.example.lang;
public class StringToInteger {
public static void main(String[] args) {
// Some random selected...
How do I reverse a string?
Below is an example code that reverse a string. In this example we useStringBuffer.reverse() method to reverse a string. In Java 1.5, a new class...
How do I iterate each characters of a string?
package org.kodejava.example.text;
import java.text.CharacterIterator;
import java.text.StringCharacterIterator;
public class StringCharacterIteratorExample...
How do I add leading zeros to a number?
This example shows you how to use the String.format() method to add zero padding to a number. If you just want to print out the result you...
How do I convert InputStream to String?
This example will show you how to convert an InputStream into String. In the code snippet below we read a data.txt file, could...
WordCount
Program that compares counting words in files using an ArrayList and a Map.
import java.io.File;
import java.io.FileNotFoundException;
import...
SimpleWordCount
Program demonstrating use of a map to count the frequency of words in a file.
import java.io.File;
import java.io.IOException;
import java.util.Map;
import...
Stopwatch class
A class for measuring how long it takes for a program to run
/**
A class to measure time elapsed.
*/
public class Stopwatch
{
private long startTime;
...
BinaryConverter.
A program with examples of various Java syntax that converts a base 10 int to base 2 String.
public class BinaryConverter {
public static...
How do I generate random string?
package org.kodejava.example.security;
import java.security.SecureRandom;
import java.util.Random;
public class RandomString {
public static final...
String Example
A few brief examples of String manipulations
public class StringExample
{ public static void main(String[] args)
{ String s1 = "Computer Science";
int...
For loop
A simple example of using for loops to calculate factorial. Uses the built in int data type so only good to 13!
public class Factorial
{
public static...
Calling Methods
A sample of how to call methods in the same class.
/* CallingMethodsInSameClass.java
*
* illustrates how to call static methods a class
*...
A Hello World! Java program.
/* HelloWorld.java
*/
public class HelloWorld
{
public static void main(String[] args) {
System.out.println("Hello World!");
}
}
Source...
Rewrite following code using while loop
int sum = 0;
for (int i = 1; i <= 5; ++i)
{
sum = sum +c ;
}
Must Share Your Answer.,.,...
Find out errors, if any:
m = 1;
n = 0;
for(; m + n < 19; ++n)
System.out.print("Hello \n");
m = m + 1...
Program to accept three integers and print the largest of the three.
// Obtaining input
int x = Integer.parseInt(jTextField1.getText());
int y = Integer.parseInt(jTextField2.getText());
...
What will be the result of the following expression?
if
age = 25
age = 65
age = 85
age > 65 ? 350 : 100
Comment The Answers In The Comment Box.,....
What output does the below code fragment produce?
int ch = 20;
System.out.print(++ch);
System.out.print(ch);
Please Comment The Answer Fast.,...
Convert the following 'while loop' into its equivalent 'for loop' without altering the output of the program.
int x = 100, a = 30;
while (x >= 10)
{
System.out.print("New Amount =" +(x+a));
...
State the output of the following program?
Answer by Commenting.,.,
public static void main (String args [] )
{
int x = 10;
int y = 15;
...
What will be the output of the following code snippet?
Please Help Me In Finding The Answer.,.,
int x = 10;
int y = 20;
if ((x 10)
System.out.print(x);
else
...
What does the following fragment display?
Please Help Me By Commenting.,.,
The Answer.,.,
String s = "Six:" + 3+ 3;
System.out.print(s...
What will be the output of the following program code?
int m = 100;
int n = 300;
while (++m < --n);
System.out.print(m+" " +n...
What is wrong with the following code fragment?
Must Comment Fast.,.,.,.,
Switch (x)
{
...
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