java 16 interview questions and answers

The Panel and Applet classes use the FlowLayout as their default layout. In Core Java, the correct answer is that Panel and Applet containers use FlowLayout as their default layout. The FlowLayout arranges components from left to right in a row until there is no more space, and then it moves to the next row. It’s worth noting that the use … Read more

The setLayout() method is used to specify a container’s layout. In Core Java, the method used to specify a container’s layout is the setLayout method. This method is part of the Container class, which is a superclass of components like JPanel, JFrame, etc., in Java’s Swing framework. Here’s a simple example of how you might use setLayout: … Read more

The preferred size of a component is the minimum component size that will allow the component to display normally. In Java Swing, which is a part of the Core Java libraries, the “preferred size” of a component refers to the size that the component would like to be, given the opportunity. It’s the size that … Read more

The null is not a keyword. No, “null” is not a keyword in Java. In Java, “null” is a literal that represents the absence of a value or a null reference. Keywords in Java are reserved words that have a specific meaning and cannot be used as identifiers. Examples of keywords in Java include “class,” “public,” “static,” … Read more

The stop(), suspend() and resume() methods have been deprecated in JDK 1.2. In Java, the stop(), suspend(), and resume() methods were deprecated starting from JDK 1.2 and have been strongly discouraged for use. These methods were deemed problematic due to their potential to cause deadlock and other thread-related issues. The recommended approach for controlling the execution of threads is to … Read more