Community driven content discussing all aspects of software development from DevOps to design patterns. When you install Java, the JDK comes with a number of helpful utilities packed within the ...

The arraylist class provides dynamic arrays for storing elements. It extends AbstractList class and implements List interface. It stores only one type of objects (generic array). ArrayList can grow ...

Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...

Abstract: Java Virtual Machine relies on the SecurityManager class to prevent illegal system resource access by external Java code (e.g., Java Applet). The SecurityManager checks the access right of ...

Error in .jcall("RJavaTools", "Ljava/lang/Object;", "invokeMethod", cl, : java.lang.IllegalAccessException: class RJavaTools cannot access a member of class java.util ...

Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs. Java class loaders are a component of the Java virtual machine (JVM) ...

Alien Shipnator Game is a Java project where players shoot aliens and avoid being hit. Players move with the arrow keys and shoot with the space bar. The game ends if an alien touches the ship or the ...