When learning Java, understanding how to use methods is an important step toward writing clean and reusable code. Methods help us divide a program into smaller parts and avoid repeating logic. In this tutorial, we will write a Java program to add two numbers using methods. We will cover two different approaches: By the end … Read more
String reversal is a common task in programming that involves changing the order of characters in a string, so that the last character appears first and the first character appears last. Java provides a variety of methods to reverse a string, from simple loops to advanced collection manipulation using Java 8 Streams. In this article, … Read more
Switch Statement in Java provides a way to select one option among multiple options. In Java switch statement it provides multiple case statement based on switch expression the appropriate case statement is get executed Syntax of switch statement switch (expression){ case label 1: statements; break; case label 2: statements; break; case label 3: statement; break; … Read more
Here we will see how to develop JTable Pagination in java. We will use JDBC prepared statement and MySQL Database. We used NetBeans IDE and Jdk 1.8 to develop this project. Our Project Structure is as below To develop this project we used Book Example. Project Development Steps are 1 Create Table in MySQL Database … Read more
JComboBox is Drop down box with multiple values in Java Swing. It is defined as javax.swing.JComboBox<E>. Here E is type of element of JComboBox. public class JComboBox extends JComponent implements ItemSelectable, ListDataListener, ActionListener, Accessible JComboBox Constructors Sr No Constructors and Description 1 JComboBox() Create a JComboBox with default default data model 2 JComboBox(ComboBoxModel aModel) Create … Read more
Command line argument is as a way to pass arguments in java while running java program. 1 Sum of two integer numbers using command line arguments in java Steps to add two integer numbers is below public class CommandLineArguments { public static void main(String[] args) { int a = Integer.parseInt(args[0]); int b = Integer.parseInt(args[1]); int … Read more
Here we will see Java string replace examples with replacing the string, replacing characters, replacing whitespace vowels, and using a regular expression to replace string and substring. Java string replace Example: use of replace() Java String replace() is used to replace substring in given string. public class JavaString { public static void main(String[] args) { … Read more
Here we will discuss the Thread isalive() and join() method in java There are two ways to determine whether a thread has finished or not. Read More: Thread Concepts Thread Life Cycle in JavaMultithreading in Java Thread Creation Method Use ExampleThread Priorities in JavaMain Thread in JavaThread Yield method in JavaThread Synchronization in JavaThread suspend() … Read more
In a java programming, like a Byte stream Character stream is also used for input-output for 16 bit. But Byte streams are used to perform input and output of 8-bit. Most common Character streams classes are, FileReader and FileWriter. FileReader- FileReader uses for reads two bytes at a time. FileWriter– FileWriter uses for writes two bytes at a … Read more
Write a program to find the greatest number in a 3*3 array. The program is supposed to receive 9 integer numbers as command-line arguments. Program to Print 3*3 array in Java Reading 9 integer numbers as command-line arguments and assigning it to 3*3 matrix and printing it Program Steps are Create a Java class declare … Read more
