18 Questions
What is the first line of a Java program typically used for?
Defining the class name
What does every opening curly bracket in a Java class have to have?
An associated closing bracket
What does the 'main' method in a Java program signify?
The starting point of program execution
What does the 'public' keyword in the main method indicate?
Accessibility from the outside
What is the convention for naming a Java class?
Start with a capital letter
What does every Java program need to contain?
A collection of programming instructions
What is a sequence of characters enclosed in double quotes known as?
String
What is the purpose of using System.out.println ("Hello"); System.out.println ("World"); in Java?
It will display Hello and then World on separate lines
What error is detected by the compiler in Java?
Syntax error
What is the purpose of using System.out.print ("Hello"); System.out.print ("World"); in Java?
It will display Hello World on the same line
What should be included at the end of every instruction written in Java to indicate that it is a statement?
;
What is the purpose of comments in Java?
They convey information concerning the code and are ignored by the compiler
What should be placed beside a method name to indicate that it is a method in Java?
()
What type of error causes a program to perform an action that the programmer did not intend?
Logic error
What is the purpose of using // in Java?
To indicate a multi-line comment
What is the file extension for saving programs in Java?
.java
What must match the class name when saving a program in Java?
Code file name
What is the first instruction of a program in Java?
The main method itself
Explore the analysis of the classic 'Hello World' program in Java, focusing on the structure and conventions of writing a basic class in Java. Understand the significance of the 'public class' declaration and naming conventions for classes.
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