17 Questions
What does the first line 'public class Hello' indicate in a Java program?
It defines the name of the class as 'Hello'
What is the purpose of enclosing everything within curly brackets in a Java class?
To contain the class members and methods
What is the significance of having a method called 'main' in a Java application?
It marks the beginning of program execution
What does 'public' signify in the method 'public static void main'?
It denotes that the method is available from outside
Why is it essential for every class name in Java to start with a capital letter?
To ensure consistency and follow convention
What does a Java application consist of?
A single class with only one method
What is the purpose of the semi-colon at the end of a Java instruction?
To indicate that it is a statement
What is the effect of using the 'println' statement compared to 'print' in Java?
Prints the text with a new line
What type of error is detected by the compiler in Java?
Syntax error
What does a sequence of characters enclosed in double quotes represent in Java?
String
What symbol is used to write one-line comments in Java?
//
What is the purpose of using 'System.out.print' in Java?
To display text on the screen
What is the purpose of methods in Java?
To perform tasks and return information
What must the code file name be when saving programs in Java?
.java extension
What is the purpose of using 'System.out.println' instead of 'System.out.print' in Java?
To start a new line after displaying text
What do comments convey in a program?
Information about filenames and titles
What extension should be used for saving a program as a Java program?
.java extension
Learn the fundamentals of Java programming with the analysis of the 'Hello World' program. Understand the structure of a Java program and the significance of class and naming conventions.
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