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chankok / StringBufferExample.java
Created September 27, 2016 07:35
Java Example: Modify Strings in StringBuffer http://www.chankok.com/java-modify-strings-in-stringbuffer/
public class StringBufferExample {
public static void main(String[] args) {
StringBuffer strBuf = new StringBuffer();
// Append strings
strBuf.append("Welcome").append(' ').append("to").append(' ').append("Chankok.com");
System.out.println("Append strings : " + strBuf.toString());
@chankok
chankok / countries.json
Last active October 5, 2016 10:43
A JSON file with a list of country names and country codes (ISO Alpha-2)
[
{
"name": "Afghanistan",
"code": "AF"
},
{
"name": "Albania",
"code": "AL"
},
{
@chankok
chankok / StringBuilderExample.java
Last active November 25, 2016 04:33
Java Example: Modify Strings with StringBuilder http://www.chankok.com/java-modify-strings-with-stringbuilder/
public class StringBuilderExample {
public static void main(String[] args) {
StringBuilder sb = new StringBuilder();
// Append strings
sb.append("Welcome").append(' ').append("to").append(' ').append("Chankok.com");
System.out.println("Append strings : " + sb.toString());
@chankok
chankok / Catch Multiple Exceptions in Java
Last active January 15, 2017 14:53
Java Example: Catch Multiple Exceptions http://www.chankok.com/java-catch-multiple-exceptions/
// Syntax of catching multiple exceptions
Try {
// Execute statements that may throw exceptions
} catch (ExceptionType1 | ExceptionType2 | ... VariableName) {
// Handle exceptions
@chankok
chankok / Java6ResourceManagementExample.java
Last active January 15, 2017 15:05
Java Example: Try-with-resources Statement http://www.chankok.com/java-try-with-resources/
package com.chankok.io;
import java.io.FileReader;
import java.io.IOException;
public class Java6ResourceManagementExample {
public static void main(String[] args) {
FileReader fr = null;
@chankok
chankok / CheckEvenOddNumberExample.java
Last active February 1, 2017 12:45
Check Even or Odd Number in Java http://www.chankok.com/java-check-even-or-odd-number/
package com.chankok.operators;
public class CheckEvenOddNumberExample {
public static void main(String[] args) {
// Initial the integer array
int[] intArrays = {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5};
/*
@chankok
chankok / DataEncapsulationExample.java
Last active February 2, 2017 06:29
Java Example: Data Encapsulation http://www.chankok.com/java-data-encapsulation/
package com.chankok.oop;
public class DataEncapsulationExample {
public static void main(String[] args) {
try {
Student student1 = new Student();
student1.setName("Chankok");
@chankok
chankok / Java6ReadEntireFileExample.java
Last active February 23, 2017 10:25
Reading Entire File into String in Java http://www.chankok.com/java-read-entire-file-into-string/
package com.chankok.io;
import java.io.FileReader;
import java.io.IOException;
public class Java6ReadEntireFileExample {
public static void main(String[] args) {
FileReader fr = null;
@chankok
chankok / README.md
Last active April 7, 2017 08:22
web.xml Namespace Declaration and Schema Location Example http://www.chankok.com/web-xml-namespace-declaration-and-schema-location/

web.xml Namespace Declaration and Schema Location Example

web.xml is the deployment descriptor for a Java web application.

We can specify the namespace declaration and schema location in web.xml file for different Java servlet version:

  • Java Servlet 3.1
  • Java Servlet 3.0
  • Java Servlet 2.5
  • Java Servlet 2.4
@chankok
chankok / StringArrayToStringExample.java
Last active May 7, 2017 15:09
Java Example: Convert String Array to String http://www.chankok.com/java-convert-string-array-to-string/
package com.chankok.arrays;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class StringArrayToStringExample {
public static void main(String[] args) {
// Initial the string array