Java Programs
How to multiply two matrix in java Program
import java.util.Scanner; class MatrixMultiplication { public static void main(String args[]) { int m, n, p, q, sum…
How to create Multiple class in java Program
class Computer { Computer() { System.out.println(“Constructor of Computer…
Linear search Program in java
import java.util.Scanner; class LinearSearch { public static void main(String args[]) { …
How to open notepad in java Program
import java.util.*; import java.io.*; class Notepad { public static void main(String[] args) { Runtime rs = Runtime.getRuntime(); try { rs.exec(“notepad”); } catch (IOException e) { System.out.println(e); } } } Program Description: This…
How to get own IP Address in java Program
import java.net.InetAddress; class IPAddress { public static void main(String args[]) throws Exception { System.out.println(InetAddress.getLocalHost()); } } Program Explanation: This Java program illustrates how to get the local IP address…
How perform garbage collection in java Program
import java.util.*; class GarbageCollection { public static void main(String s[]) throws Exception { Runtime rs = Runtime.getRuntime(); System.out.println(“Free memory in JVM before Garbage Collection = “+rs.freeMemory()); rs.gc(); System.out.println(“Free…
How to Generate random number in java Program
import java.util.*; class RandomNumbers { public static void main(String[] args) { int c; Random…
How to Date format in java Program
import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; public class SimpleDateFormatExample2 { public static void main(String[] args) { Date date…
How to SQL Date in java Program
import java.sql.Date; public class StringToSQLDateExample { public static void main(String[] args) { String str = “2015-03-31”; …
How to print date and time in java Program
public class SQLDateExample { public static void main(String[] args) { …
Difference between Static and Instance method working in java Program
class Difference { public static void main(String[] args) { display(); // calling without object …
How Static block working in java Program
class StaticBlock { public static void main(String[] args) { …
Find Length, Concatenate and Replace String in Java Program
class StringMethods { public static void main(String args[]) { int n; String s…
How to swap 2 no without using 3rd variable Program in Java
Here is an explaination on How to swap 2 no without using 3rd variable Program in Java import java.util.Scanner; class SwapNumbers { public static…
How to swap 2 no using 3rd variable Program in java
Here is an explaination on How to swap 2 no using 3rd variable Program in java. import java.util.Scanner; class SwapNumbers { public static void…
How to convert Fahrenheit to Celsius Program in Java
Here is an explaination on How to convert Fahrenheit to Celsius Program in Java. import java.util.*; class FahrenheitToCelsius { public static void main(String[] args) { float…
How to get input using the Scanner Program in Java
Here is a program with explaination on How to get input using the Scanner Program in Java? import java.util.Scanner; class GetInputFromUser { public static…
Command Line Argument in Java
Command Line Argument in Java class Arguments { public static void main(String[] args) { for (String t: args) { …
Program to Print Integer in Java
class Integers { public static void main(String[] arguments) { int c; //declaring a…
Best Simple Java Program for Beginners
class HelloWorld { public static void main(String args[]) { …