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Java-I/O

75 posts

Java.io Package in Java

Last Updated: 23 July 2025

Java.io Package in JavaThis package provides for system input and output through data streams, serialization and the file system. Unless otherwise noted, passing a null ar...read more

Java Exercises - Basic to Advanced Java Practice Programs with Solutions

Last Updated: 09 October 2025

This Java exercise collection is designed to deepen your understanding of Java and refine your coding skills. The programs provide hands-on experience in solving real-worl...read more

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Output of Java Program

Java-Object Oriented

Java-Data Types

Difference Between FileInputStream and ObjectInputStream in Java

Last Updated: 19 July 2022

FileInputStream class extracts input bytes from a file in a file system. FileInputStream is meant for reading streams of raw bytes such as image data. For reading streams ...read more

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Difference Between

Fast Output in Java

Last Updated: 23 July 2025

While doing problems in various coding platforms in some questions we end up with (TLE). At that point of time even if we use fast input then also, sometimes (TLE) remains...read more

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FileOutputStream in Java

Last Updated: 29 August 2025

The FileOutputStream class in Java is used to write raw bytes to a file. It is part of the java.io package and is mainly used for writing binary data (like images, audio, ...read more

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Java-File Class

Serializable Interface in Java

Last Updated: 23 July 2025

The Serializable interface is present in java.io package. It is a marker interface. A Marker Interface does not have any methods and fields. Thus classes implementing it d...read more

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Java-Collections

print vs println in Java

Last Updated: 20 November 2024

print() and println() are the methods of System.out class in Java which are used to print the output on the console. The major difference between these two is that print()...read more

How to Read and Print an Integer Value in Java?

Last Updated: 11 July 2025

The given task is to take an integer as input from the user and print that integer in Java.To read and print an integer value in Java, we can use the Scanner class to take...read more

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Scanner nextShort() method in Java with Examples

Last Updated: 11 July 2025

The nextShort(radix) method of java.util.Scanner class scans the next token of the input as a short. If the translation is successful, the scanner advances past the input ...read more

Java - util package

Scanner radix() method in Java with Examples

Last Updated: 11 July 2025

The radix() method of java.util.Scanner class returns this scanner's default radix.Syntax: public int radix()Return Value: This function returns the default radix of this ...read more

Java - util package

Scanner reset() method in Java with Examples

Last Updated: 11 July 2025

The reset() method of java.util.Scanner class resets this scanner. On resetting a scanner, it discards all of its explicit state information which may have been changed by...read more

Java - util package

Scanner skip() method in Java with Examples

Last Updated: 11 July 2025

skip(Pattern pattern)The skip(Pattern pattern) method of java.util.Scanner class skips input that matches the specified pattern, ignoring the delimiters. The function skip...read more

Java - util package

Scanner findInLine() method in Java with Examples

Last Updated: 11 July 2025

findInLine(Pattern pattern)The findInLine(Pattern pattern) method of java.util.Scanner class tries to find the next occurrence of the specified pattern ignoring delimiters...read more

Java - util package

Scanner delimiter() method in Java with Examples

Last Updated: 11 July 2025

The delimiter() method ofjava.util.Scanner class returns the Pattern this Scanner is currently using to match delimiters.Syntax:public Pattern delimiter() Return Value:...read more

Java - util package

Scanner close() method in Java with Examples

Last Updated: 11 July 2025

The close() method ofjava.util.Scanner class closes the scanner which has been opened. If the scanner is already closed then on calling this method, it will have no effect...read more

Java - util package