Podcast
Questions and Answers
What is the purpose of the first line 'public class Hello' in a Java program?
What is the purpose of the first line 'public class Hello' in a Java program?
- To close the class definition
- To define the main method
- To indicate the start of a class named Hello (correct)
- To specify the name of the method
Why is it important for a class name to start with a capital letter in Java?
Why is it important for a class name to start with a capital letter in Java?
- It indicates that the class is an interface
- It helps differentiate classes from methods (correct)
- It is mandatory for all classes
- It is a convention but not mandatory
What is the purpose of the curly brackets { } in Java programming?
What is the purpose of the curly brackets { } in Java programming?
- To mark the beginning of a loop
- To define the main method
- To indicate the start and end of a class or method (correct)
- To specify the return type of a method
What does the 'main' method in a Java application contain?
What does the 'main' method in a Java application contain?
What does the keyword 'public' before the 'main' method indicate?
What does the keyword 'public' before the 'main' method indicate?
Why must every opening curly bracket have an associated closing bracket in Java?
Why must every opening curly bracket have an associated closing bracket in Java?
What is the purpose of the semi-colon at the end of each instruction in Java?
What is the purpose of the semi-colon at the end of each instruction in Java?
What is a sequence of characters enclosed in double quotes known as in Java?
What is a sequence of characters enclosed in double quotes known as in Java?
Which error is detected by the compiler in Java programming?
Which error is detected by the compiler in Java programming?
In Java, what symbols are used to write comments that span multiple lines?
In Java, what symbols are used to write comments that span multiple lines?
What does the method main() in Java indicate?
What does the method main() in Java indicate?
What is the purpose of System.out.println() in Java?
What is the purpose of System.out.println() in Java?
'Hello World' would be displayed on screen as ________.
'Hello World' would be displayed on screen as ________.
Which menu option is used to compile a Java program in an IDE?
Which menu option is used to compile a Java program in an IDE?
'public class Hello' must be saved as ________.
'public class Hello' must be saved as ________.
What is the purpose of methods in Java?
What is the purpose of methods in Java?
Why is it important for a Java class file name to match its class name?
Why is it important for a Java class file name to match its class name?
A Java program is a class.
A Java program is a class.
Every class in Java has a name that starts with a lowercase letter.
Every class in Java has a name that starts with a lowercase letter.
The 'main' method in a Java application is where execution of the program starts.
The 'main' method in a Java application is where execution of the program starts.
The keyword 'public' before the 'main' method indicates that the application is accessible from the outside.
The keyword 'public' before the 'main' method indicates that the application is accessible from the outside.
In Java, comments that span multiple lines are written using //.
In Java, comments that span multiple lines are written using //.
Every opening curly bracket in Java must have an associated closing bracket.
Every opening curly bracket in Java must have an associated closing bracket.
A Java program starts with the first instruction of main method.
A Java program starts with the first instruction of main method.
The 'System.out.println()' statement is used to print a string to the screen and start a new line.
The 'System.out.println()' statement is used to print a string to the screen and start a new line.
A sequence of characters enclosed in double quotes in Java is known as an Integer.
A sequence of characters enclosed in double quotes in Java is known as an Integer.
To compile a Java program in an IDE, you should go to the 'Build' menu and select 'Compile'.
To compile a Java program in an IDE, you should go to the 'Build' menu and select 'Compile'.
The error 'System.ou.println("Hello");' is a compile time error in Java.
The error 'System.ou.println("Hello");' is a compile time error in Java.
Comments written by the programmer are ignored by the compiler in a Java program.
Comments written by the programmer are ignored by the compiler in a Java program.
The 'println' statement in Java is short for 'print only'.
The 'println' statement in Java is short for 'print only'.
A method in Java is a block of code that performs certain tasks and can return information if necessary.
A method in Java is a block of code that performs certain tasks and can return information if necessary.
Compile time errors in Java are detected by the IDE at runtime.
Compile time errors in Java are detected by the IDE at runtime.
In Java, it's important for a class file name to match its class name with a .java extension.
In Java, it's important for a class file name to match its class name with a .java extension.
In Java, every opening curly bracket must have an associated closing bracket.
In Java, every opening curly bracket must have an associated closing bracket.
'public class Hello' must be saved with a .java extension.
'public class Hello' must be saved with a .java extension.
A Java program starts with the first instruction of the main method.?
A Java program starts with the first instruction of the main method.?
Every opening curly bracket in Java must have an associated closing bracket.?
Every opening curly bracket in Java must have an associated closing bracket.?
The keyword 'public' before the 'main' method indicates that the application is accessible from the outside.?
The keyword 'public' before the 'main' method indicates that the application is accessible from the outside.?
'Hello World' would be displayed on screen as ____.?
'Hello World' would be displayed on screen as ____.?
'public class Hello' must be saved with a .java extension.?
'public class Hello' must be saved with a .java extension.?
The 'println' statement in Java is short for 'print only'.?
The 'println' statement in Java is short for 'print only'.?
A program in Java starts with the first instruction of the main method.
A program in Java starts with the first instruction of the main method.
The 'println' statement in Java is short for 'print only'.
The 'println' statement in Java is short for 'print only'.
Every opening curly bracket in Java must have an associated closing bracket.
Every opening curly bracket in Java must have an associated closing bracket.
The error 'System.ou.println("Hello");' is a compile time error in Java.
The error 'System.ou.println("Hello");' is a compile time error in Java.
In Java, it's important for a class file name to match its class name with a .java extension.
In Java, it's important for a class file name to match its class name with a .java extension.
The 'System.out.println()' statement is used to print a string to the screen and start a new line.
The 'System.out.println()' statement is used to print a string to the screen and start a new line.
Comments written by the programmer are ignored by the compiler in a Java program.
Comments written by the programmer are ignored by the compiler in a Java program.
A method in Java is a block of code that performs certain tasks and can return information if necessary.
A method in Java is a block of code that performs certain tasks and can return information if necessary.
Every class in Java has a name that starts with a lowercase letter.
Every class in Java has a name that starts with a lowercase letter.
'public class Hello' must be saved with a .java extension.
'public class Hello' must be saved with a .java extension.
'Hello World' would be displayed on screen as ________.
'Hello World' would be displayed on screen as ________.
'public class Hello' must be saved as ________.
'public class Hello' must be saved as ________.
