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Questions and Answers
What will happen when the command 'java Simple' is run?
What will happen when the command 'java Simple' is run?
- The Java compiler will create a file named Simple.class
- An error will occur due to missing file extension
- The java command will assume the extension is .class and run the file (correct)
- The command will result in a runtime exception
Which statement about comments in Java programs is true?
Which statement about comments in Java programs is true?
- Only single-line comments are allowed in Java programs
- Comments are terminated by the code within their curly braces
- Comments are required to end with a semi-colon
- Comments are ignored by the Java compiler (correct)
What must every Java application have?
What must every Java application have?
- A class header
- A main method (correct)
- Multiple public classes
- Curly braces
What does the statement 'System.out.println("Programming is great fun.");' illustrate?
What does the statement 'System.out.println("Programming is great fun.");' illustrate?
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What is true about the file extension for Java programs?
What is true about the file extension for Java programs?
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Which file extension is needed for a Java source code file?
Which file extension is needed for a Java source code file?
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In Java, if a source code file contains more than one class, what is the requirement for one of the classes?
In Java, if a source code file contains more than one class, what is the requirement for one of the classes?
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Which method is used to compile a Java source code file?
Which method is used to compile a Java source code file?
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What must match in a Java source code file?
What must match in a Java source code file?
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Which keyword is used for declaring local variables with an inferred type in Java?
Which keyword is used for declaring local variables with an inferred type in Java?
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