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Basic File Manipulation With Java

Basic File Manipulation With Java
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Accessing files with Java is easy. With this easy to follow tutorial you will learn how to perform basic file operations in Java. Reading, writing, appending, and random file access are covered. Along with an introduction to file locking.
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Java I/O Tutorial

Java I/O Tutorial Icon
Java comes with many handy I/O classes to support the input and output through bytes stream and file system. Here’s a list of the Java I/O examples including file, temporary file and directory manipulation, encoding, serialized and also compression with zip or Gzip.
 

Java Configuration File API

Java Configuration File API Icon
This is a simple Java Configuration file API. It provides methods for reading key-value pairs from a file. The main benefit over using Java's standard Properties class is support for nested array configuration values. This implementation is inspired by, but somewhat more basic than libconfig, a very useful C/C++ Configuration File Library.
 

How to Create File and Directory

How to Create File and Directory Icon
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String Manipulation: The String Class

String Manipulation: The String Class Icon
String manipulation forms the basis of many algorithms and utilities such as text analysis, input validation, and file conversion. This tutorial explores some of the needed basics. Unless otherwise noted, the following classes are contained in the java.lang library.
 

Easily Create Java Agents with Byte Buddy

Easily Create Java Agents with Byte Buddy Icon
A Java agent is a Java program that executes just prior to the start of another Java application (the “target” application), affording that agent the opportunity to modify the target application, or the environment in which it runs. In this article we will start with the basics, and crescendo to an advanced agent implementation using the bytecode manipulation tool Byte Buddy. In the most basic use case, a Java agent sets application properties or configures a certain environment state, enabling the agent to serve as a reusable and pluggable component.
 

What is Java

What is Java Icon
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Primitive Types

Primitive Types Icon
Primitive types are the most basic data types available within the Java language; these include boolean, byte, char, short, int, long, float and double. These types serve as the building blocks of data manipulation in Java. Such types serve only one purpose — containing pure, simple values of a kind. Because these data types are defined into the Java type system by default, they come with a number of operations predefined. You can not define a new operation for such primitive types. In the Java type system, there are three further categories of primitives:
 

Java NIO Files – Delete Copy Move

Java NIO Files – Delete Copy Move Icon
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How to read file in java

How to read file in java Icon
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2 solution of java.lang.OutOfMemoryError in Java

2 solution of java.lang.OutOfMemoryError in Java Icon
Every one in java development face java.lang.OutOfMemoryError now and then, OutOfMemoryError in Java is one problem which is more due to system's limitation (memory) rather than due to programming mistakes in most cases though in certain cases you could have memory leak which causing OutOfMemoryError. I have found that even though java.lang.OutOfMemoryError is quite common basic knowledge of its cause and solution is largely unknown among junior developers. In this article we will explore what is java.lang.OutOfMemoryError; Why OutOfMemoryError comes in Java application, different type of OutOfMemoryError and How to fix OutOfMemoryError in Java. This article is purely meant to provide basic knowledge of java.lang.OutMemoryError and won't discuss profiling in detail.