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Maruthi Krishna has Published 952 Articles
Maruthi Krishna
2K+ Views
To find the first non-repeating number in an array −Construct count array to store count of each element in the given array with same length and with initial value 0 for all elements.Compare each element in the array with all other elements, except itself.If match occurs increment its value in ... Read More
Maruthi Krishna
248 Views
To find the first non-repeating number in an array −Construct count array to store count of each element in the given array with same length and with initial value 0 for all elements.Compare each element in the array with all other elements, except itself.If match occurs increment its value in ... Read More
Maruthi Krishna
4K+ Views
You can reverse a String in several ways, without using the reverse() function.Using recursion − Recursion is the process of repeating items in a self-similar way. In programming languages, if a program allows you to call a function inside the same function, then it is called a recursive call of the ... Read More
Maruthi Krishna
3K+ Views
The class named File of the java.io package represents a file or directory (path names) in the system. This class provides various methods to perform various operations on files/directories.The delete() method of the File class deletes the file/directory represented by the current File object.This ListFiles() method of the File class ... Read More
Maruthi Krishna
3K+ Views
He class named File of the java.io package represents a file or directory (path names) in the system. This class provides various methods to perform various operations on files/directories.The lastModified() method of the File class returns the last modified time of the file/directory represented by the current File object. You can ... Read More
Maruthi Krishna
371 Views
The class named File of the java.io package represents a file or directory (path names) in the system. This class provides various methods to perform various operations on files/directories.The isHidden() method of the File class verifies weather the (abstract path of) file/directory represented by the current File object, is hidden.The ... Read More
Maruthi Krishna
2K+ Views
To copy the contents of one file to other character by characterExampleimport java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; public class CopyFiles { public static void main(String[] args) throws IOException { //Creating a File object to hold the source file File source = ... Read More
Maruthi Krishna
3K+ Views
The class named File of the java.io package represents a file or directory (path names) in the system. This class provides various methods to perform various operations on files/directories.In general, an URI (Uniform Resource Identifier) represents a resource. The URI class of Java represents this format You can get the ... Read More
Maruthi Krishna
3K+ Views
The .propertiesis an extension in java which is used to store configurable application. It is represented by the Properties class in Java, you can store a properties file and read from it using the methods of this class. This class inherits the HashTable class.Creating a .properties fileTo create a properties ... Read More
Maruthi Krishna
723 Views
Java provides a two classes namely, DeflaterOutputStream and InflaterInputStream for compressing and uncompressing data.Compressing a Single fileTo compress a single file −Create a FileInputStream object, by passing the path of the file to be compressed in String format, as a parameter to its constructor.Create a FileOutputStream object, by passing the ... Read More