Java Array Fundamentals Quiz

Arrays in Java

• An array in Java can be declared by using the [] symbol after the data type, followed by the name of the array.
• The size or length of an array in Java represents the number of elements it can hold.
• An array in Java can be initialized by assigning values to it, either at the time of declaration or later using the new keyword.
• The maximum number of elements an array can hold is determined by the size specified during its declaration.

Methods in Java

• A method in Java is declared using the void keyword (for methods that do not return a value) or the data type of the return value (for methods that return a value).
• The purpose of using methods in Java is to organize code into reusable blocks, improve code readability, and reduce redundancy.
• A method in Java can be called by using the method name followed by parentheses, which may contain arguments.
• A method in Java must be declared inside a class, and its access depends on the access modifier used (public, private, protected, etc.).
• The parameters of a method in Java are the variables declared in the method's parentheses, which are used to pass data to the method when it is called.