
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Found 33676 Articles for Programming

213 Views
To compare two Java short arrays, use the Arrays.equals() method.Let us first declare and initialize some short arrays.short[] arr1 = new short[] { 20, 15, 35, 55, 69 }; short[] arr2 = new short[] { 20, 15, 35, 55, 69 }; short[] arr3 = new short[] { 22, 19, 30, 45, 78 };Now let us compare any two of the above arrays.Arrays.equals(arr1, arr2));In the same way, work it for other arrays and compare themExample Live Demoimport java.util.*; public class Demo { public static void main(String []args) { short[] arr1 = new short[] { 20, 15, 35, 55, ... Read More

423 Views
To convert Byte to numeric primitive data types, use the following methods −byteValue() shortValue() intValue() longValue() floatValue()Firstly, let us declare a Byte.Byte byteVal = new Byte("35");Now, let us see how to convert it to long type, for a simple example.long longVal = byteVal.longValue(); System.out.println(longVal);In the same way, you can convert it to other primitive data types as shown in the complete example below −Example Live Demopublic class Demo { public static void main(String args[]) { // byte Byte byteVal = new Byte("35"); byte b = byteVal.byteValue(); System.out.println(b); ... Read More

456 Views
Here is our string.String str = "Asia is a continent!";Now let us use a byte array and the getBytes() method to fulfill our purpose.byte[] byteVal = str.getBytes();Now, if we will get the length of the array, it would return the length as shown in the complete example below −Example Live Demopublic class Demo { public static void main(String args[]) { String str = "Asia is a continent!"; System.out.println(str); // converted to byte array byte[] byteVal = str.getBytes(); // getting the length System.out.println(byteVal.length); } }OutputAsia is a continent! 20

1K+ Views
To convert byte[] to String, firstly let us declare and initialize a byte array.// byte array byte[] arr = new byte[] {78, 79, 33};Now take a String and include the array in it.String str = new String(arr);Let us see the complete example to convert byte array to String.Example Live Demopublic class Demo { public static void main(String args[]) { // byte array byte[] arr = new byte[] {78, 79, 33}; String str = new String(arr); // string System.out.println("String = "+str); } }OutputString = NO!

13K+ Views
To convert hex string to byte array, you need to first get the length of the given string and include it while creating a new byte array.byte[] val = new byte[str.length() / 2];Now, take a for loop until the length of the byte array.for (int i = 0; i < val.length; i++) { int index = i * 2; int j = Integer.parseInt(str.substring(index, index + 2), 16); val[i] = (byte) j; }Let us see the complete example.Example Live Demopublic class Demo { public static void main(String args[]) { String str = "p"; ... Read More

3K+ Views
To check whether the entered value is a digit or not in Java, use the Character.isDigit() method.We have a character to be checked.char val = '5';Now let us use the Character.isDigit() method.if (Character.isDigit(val)) { System.out.println("Character is a digit!"); } else { System.out.println("Character is not a digit!"); }Let us see the complete example now to check for Uppercase in Java.Example Live Demopublic class Demo { public static void main(String []args) { System.out.println("Checking for digit..."); char val = '5'; System.out.println("Value: "+val); if (Character.isDigit(val)) { ... Read More

11K+ Views
To check whether a character is in Lowercase or not in Java, use the Character.isLowerCase() method.We have a character to be checked.char val = 'q';Now let us use the Character.isLowerCase() method.if (Character.isLowerCase(val)) { System.out.println("Character is in Lowercase!"); }else { System.out.println("Character is in Uppercase!"); }Let us see the complete example now to check for Lowercase in Java.Example Live Demopublic class Demo { public static void main(String []args) { System.out.println("Checking for Lowercase character..."); char val = 'q'; System.out.println("Character: "+val); if (Character.isLowerCase(val)) { System.out.println("Character is ... Read More

2K+ Views
In Java, Converting a byte array to a hex string means transforming each byte into its hexadecimal representation. byte array: A byte array is a collection of byte values. Each byte is an 8-bit unit of data. Hex String: A hexadecimal (hex) string represents a number in base-16, using digits 0-9 and letters A-F. We represent the A-F in numbers as 10 to 15. The following is our byte array as given below − byte[] b = new byte[]{'p', 'q', 'r'}; We have created a custom method "display" that ... Read More

956 Views
To check for Integer overflow, we need to check the Integer.MAX_VALUE with the multiplied integers result, Here, Integer.MAX_VALUE is the maximum value of an integer in Java.Let us see an example wherein integers are multiplied and if the result is more than the Integer.MAX_VALUE, then an exception is thrown.The following is an example showing how to check for Integer overflow.Example Live Demopublic class Demo { public static void main(String[] args) { int val1 = 9898; int val2 = 6784; System.out.println("Value1: "+val1); System.out.println("Value2: "+val2); long mul ... Read More

876 Views
In this article, we will learn to convert a binary number into a decimal number in Java.Binary numbers are fundamental in computer science and digital electronics, where data is represented in a base-2 numeral system consisting of only 0s and 1s. Converting binary numbers to their decimal equivalents is a common task. Problem Statement The task is to convert a binary number into its decimal equivalent using Java. − Input 1110 Output 14 Different Approaches Following are the two different approaches to converting a binary number into a decimal number in Java − Using ... Read More