Which command compiles the Java source code file? Description. The javac command reads source files that contain module, package and type declarations written in the Java programming language, and compiles them into class files that run on the Java Virtual Machine. Which command compiles the Java source code file Welcome Java group of answer choices?…
How do I install Java on Ubuntu? Installing Open JDK 8 on Debian or Ubuntu Systems Check which version of the JDK your system is using: java -version. Update the repositories: sudo apt-get update. Install OpenJDK: sudo apt-get install openjdk-8- jdk. Verify the version of the JDK: If the correct version of Java is not…
What is API means in Java? API is the acronym for Application Programming Interface, which is a software intermediary that allows two applications to talk to each other. What is API in Java with example? An API can be described as a way to enable computers to possess a common interface, to allow them to…
What is instance variable in Java example? Instance variables are created when an object is created with the use of the keyword ‘new’ and destroyed when the object is destroyed. Instance variables hold values that must be referenced by more than one method, constructor or block, or essential parts of an object’s state that must…
What is set in Java? A Set is a Collection that cannot contain duplicate elements. It models the mathematical set abstraction. Two Set instances are equal if they contain the same elements. The Java platform contains three general-purpose Set implementations: HashSet, TreeSet, and LinkedHashSet. How do sets work in Java? Set achieves the uniqueness in…