Added constructor that throws Exception with relevant tests

src/main/java/com/sangupta/jerry/util/ArchiveUtils.java

@@ -50,6 +50,10 @@
  *
  */
 public abstract class ArchiveUtils {
+
+	protected ArchiveUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Logger

src/main/java/com/sangupta/jerry/util/AssertUtils.java

@@ -34,6 +34,10 @@
  * @since 1.0.0
  */
 public abstract class AssertUtils {
+
+	protected AssertUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Check if a given string is <code>null</code> or zero-length. Returns

src/main/java/com/sangupta/jerry/util/BitUtils.java

@@ -29,6 +29,10 @@
  *
  */
 public abstract class BitUtils {
+
+	protected BitUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	private static final int LEAST_BIT = 0;
 

src/main/java/com/sangupta/jerry/util/ByteArrayUtils.java

@@ -31,6 +31,10 @@
  *
  */
 public abstract class ByteArrayUtils {
+
+	protected ByteArrayUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Read a long value from given byte-array at the given offset. The value is

src/main/java/com/sangupta/jerry/util/CheckUtils.java

@@ -34,6 +34,10 @@
  * @since 1.2.0
  */
 public abstract class CheckUtils {
+
+	protected CheckUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Check whether the file represented by the given absolute file path is a

src/main/java/com/sangupta/jerry/util/CompressionUtils.java

@@ -47,6 +47,10 @@
  *
  */
 public abstract class CompressionUtils {
+
+	protected CompressionUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * The logger

src/main/java/com/sangupta/jerry/util/ConsoleUtils.java

@@ -36,6 +36,10 @@
  *
  */
 public abstract class ConsoleUtils {
+
+	protected ConsoleUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	private static BufferedReader reader;
 

src/main/java/com/sangupta/jerry/util/CookieUtils.java

@@ -35,6 +35,10 @@
  *
  */
 public abstract class CookieUtils {
+
+	protected CookieUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Create a new cookie. The cookie will expire at the end of browser

src/main/java/com/sangupta/jerry/util/CryptoUtils.java

@@ -40,6 +40,10 @@
  *
  */
 public abstract class CryptoUtils {
+
+	protected CryptoUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * AES-256 encrypt the text.

src/main/java/com/sangupta/jerry/util/DateUtils.java

@@ -29,6 +29,10 @@
  *
  */
 public abstract class DateUtils {
+
+	protected DateUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * One second expressed as millis

src/main/java/com/sangupta/jerry/util/DesktopUtils.java

@@ -35,6 +35,10 @@
  *
  */
 public abstract class DesktopUtils {
+
+	protected DesktopUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Open the given URL in the system web browser.

src/main/java/com/sangupta/jerry/util/DomUtils.java

@@ -34,6 +34,10 @@
  *
  */
 public abstract class DomUtils {
+
+	protected DomUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Returns the value of the attribute from the element.

src/main/java/com/sangupta/jerry/util/DumpUtils.java

@@ -32,6 +32,10 @@
  *
  */
 public abstract class DumpUtils {
+
+	protected DumpUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Returns the string representation of the given object by invoking the

src/main/java/com/sangupta/jerry/util/EnvironmentUtils.java

@@ -32,6 +32,10 @@
  *
  */
 public abstract class EnvironmentUtils {
+
+	protected EnvironmentUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Read an environment variable first from the java command line, and then

src/main/java/com/sangupta/jerry/util/EqualUtils.java

@@ -27,6 +27,10 @@
  *
  */
 public abstract class EqualUtils {
+
+	protected EqualUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Tests if two <code>byte</code> arrays are equal in content or not.

src/main/java/com/sangupta/jerry/util/FileUtils.java

@@ -56,6 +56,10 @@
  *
  */
 public abstract class FileUtils {
+
+	protected FileUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * One KB as number of bytes

src/main/java/com/sangupta/jerry/util/GsonUtils.java

@@ -60,6 +60,10 @@
  * @since 1.0.0
  */
 public abstract class GsonUtils {
+
+	protected GsonUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Our holder for multiple instances

src/main/java/com/sangupta/jerry/util/HashUtils.java

@@ -39,6 +39,10 @@
  *
  */
 public abstract class HashUtils {
+
+	protected HashUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Computes the MD5 hash of the given data.

src/main/java/com/sangupta/jerry/util/HtmlUtils.java

@@ -42,6 +42,10 @@
  *
  */
 public abstract class HtmlUtils {
+
+	protected HtmlUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Tidy the HTML source by reformatting the entire HTML. This is

src/main/java/com/sangupta/jerry/util/IOUtils.java

@@ -9,6 +9,10 @@
  * @since 3.1.0
  */
 public abstract class IOUtils {
+
+	protected IOUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	public static void closeQuietly(Closeable... closeables) {
 		if (AssertUtils.isEmpty(closeables)) {

src/main/java/com/sangupta/jerry/util/JDKUtils.java

@@ -31,6 +31,10 @@
  *
  */
 public abstract class JDKUtils {
+
+	protected JDKUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Check if JDK version is 1.7 or not

src/main/java/com/sangupta/jerry/util/ListUtils.java

@@ -33,6 +33,10 @@
  * @since 2.2
  */
 public abstract class ListUtils {
+
+	protected ListUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Create a new list of integer values.

src/main/java/com/sangupta/jerry/util/MimeUtils.java

@@ -33,6 +33,10 @@
  *
  */
 public abstract class MimeUtils implements HttpMimeType {
+
+	protected MimeUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Mappings between extension and MIME type

src/main/java/com/sangupta/jerry/util/NumberUtils.java

@@ -7,6 +7,10 @@
 import java.math.RoundingMode;
 
 public class NumberUtils {
+
+	protected NumberUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Returns the {@code int} value that is equal to {@code value}, if

src/main/java/com/sangupta/jerry/util/OSUtils.java

@@ -31,6 +31,10 @@
  *
  */
 public abstract class OSUtils {
+
+	protected OSUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Global enum depicting the current OS the JVM is running in.

src/main/java/com/sangupta/jerry/util/ObjectUtils.java

@@ -28,6 +28,10 @@
  *
  */
 public abstract class ObjectUtils {
+
+	protected ObjectUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Check if the object represents a primitive type of: <code>byte</code>,

src/main/java/com/sangupta/jerry/util/PropertiesUtils.java

@@ -34,6 +34,10 @@
  *
  */
 public abstract class PropertiesUtils {
+
+	protected PropertiesUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Convert a given {@link Properties} instance to a corresponding

src/main/java/com/sangupta/jerry/util/RangeUtils.java

@@ -30,6 +30,10 @@
  * @since 2.3
  */
 public abstract class RangeUtils {
+
+	protected RangeUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Check if a character is in the given range.

src/main/java/com/sangupta/jerry/util/ReadableUtils.java

@@ -33,6 +33,10 @@
  *
  */
 public abstract class ReadableUtils {
+
+	protected ReadableUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Convert human readable file size to number of bytes. For example: 2k

src/main/java/com/sangupta/jerry/util/ReflectionUtils.java

@@ -43,6 +43,10 @@
  *
  */
 public abstract class ReflectionUtils {
+
+	protected ReflectionUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	private static final Logger LOGGER = LoggerFactory.getLogger(ReflectionUtils.class);
 

src/main/java/com/sangupta/jerry/util/RequestUtils.java

@@ -32,6 +32,10 @@
  *
  */
 public abstract class RequestUtils {
+
+	protected RequestUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Extract the base URI and strip off the context path as well as any

src/main/java/com/sangupta/jerry/util/ResourceUtils.java

@@ -27,6 +27,10 @@
  */
 public class ResourceUtils {
 
+	protected ResourceUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
+
 	/**
 	 * Read the file at given {@link Path} as a {@link String} in default
 	 * encoding.

src/main/java/com/sangupta/jerry/util/ResponseUtils.java

@@ -37,6 +37,10 @@
  *
  */
 public abstract class ResponseUtils {
+
+	protected ResponseUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Write the given response in UTF-8 encoding to the given

src/main/java/com/sangupta/jerry/util/StringUtils.java

@@ -36,6 +36,10 @@
  *
  */
 public abstract class StringUtils {
+
+	protected StringUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Logger instance

src/main/java/com/sangupta/jerry/util/TimeDurationUtils.java

@@ -32,6 +32,10 @@
  *
  */
 public abstract class TimeDurationUtils {
+
+	protected TimeDurationUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * Compute the time duration of the given date from current time.

src/main/java/com/sangupta/jerry/util/UriUtils.java

@@ -45,6 +45,10 @@
  *
  */
 public abstract class UriUtils {
+
+	protected UriUtils() throws InstantiationException {
+		throw new InstantiationException("Instances of this class are forbidden");
+	}
 
 	/**
 	 * My own logger instance