To read and write image files from local disk or from any URL, javax.imageio.ImageIO class is used. javax.imageio.ImageIO is a final class with some static methods which are useful for image processing. Java Program To Read & Write Image From Local Disc:- import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; public class ReadAndWriteImage { public static void main(String[] args)
Category: Java Tutorial
How To Format Date In Java?
SimpleDateFormat class of java.text package is used to format given Date object in different pattern. This class has 2 important methods – “parse()” and “format()”. To convert string to Date in java parse() method is used and To format the Date object in desired patterns like dd-MM-yyyy, yyyy/MM/dd hh:mm:ss etc format() method is used. While developing an application this program is needed to provide current date in desired
Java – Decimal To Binary, Decimal To Octal And Decimal To HexaDecimal Conversion
In this tutorial i am going to show you how to convert “Decimal to Binary”, “Decimal to Octal” and “Decimal to Hexadecimal” Check the Java Program below. Java Program To Convert Decimal To Binary :- import java.util.Scanner; public class DecimalToBinary { public static void main(String[] args) { Scanner sc = new Scanner(System.in); //Taking input
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How To Reverse Each Word Of A String In Java?
Example : If Input is = “Java” Output should be = “avaj” How?? -> Split the given inputString into words using split() method. Then take each individual word, reverse it and append to reverseString. Finally print reverseString. Java Code :- public class ReverseEachWord { static void reverseEachWordOfString(String inputString) { String[] words = inputString.split(” “); String reverseString = “”;
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Java Program To Check Whether Mobile Number Is Valid Or Not
While developing applications, You need to check whether the user input is valid number or not. Lets take mobile Number as an example. You have to check whether mobile no. entered by the user contains valid or not. For those who have developed some applications, they may have come across this requirement. Below, this program checks whether mobile
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Java Program To Print Different Star Pattern
Print Different Star Pattern : In Java language, You can simply print triangle shape using ‘for loop’ & also using ‘while loop’. Here, I will show you in simple way to print triangle in different shapes. Pattern 1 Java Code :- class StarTriangle { public static void main(String[ ] args) { int i,j,k; for(i=1; i<=5;
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How To Print Different Number Pattern Programs In Java
Pattern No. 1 1 1 2 1 2 3 1 2 3 4 1 2 3 4 5 1 2 3 4 5 6 1 2 3 4 5 6 7 Java Code :- import java.util.Scanner; public class MainClass { public static void main(String[] args) { Scanner sc = new Scanner(System.in); //Taking rows value
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