Advance Java Quiz | Multiple Choice Questions on Advance Java | Itronix Solutions

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    Advance Java Quiz

    Advance Java Quiz | Multiple Choice Questions on Advance Java | Itronix Solutions

    The quizzes consist of questions carefully designed to help you self-assess your comprehension of the information presented on the topics covered in the module.

     What is a primitive data type in Java?

    – A method to represent values ??that are so useful that they are an integral part of the language. 

    Submitted answers: [ A method to represent values ??that are so useful that they are an integral part of the language. ]

     How many objects of a given class can be constructed in a program?

    – As many as the program requires. 

    Submitted answers: [ As many as the program requires. ]

     What is a reference to an object?

    – Data where the object can be found. 

    Submitted answers: [ Data where the object can be found. ]

     Does every variable in Java need a data type?

    – Yes – every variable must be declared with its data type. 

    Submitted answers: [ Yes – every variable must be declared with its data type. ]

     Suppose a particular data item does not use a primitive data type. What does it have to be?

    – An object. 

    Submitted answers: [ An object. ]

     How many alternatives are there for a single if-else statement?

    – 2 

    Submitted answers: [ 2 ]

     In which of the following situations will most likely no counting loop be used?

    – Prompt the user until a correct entry has been made. 

    Submitted answers: [ Prompt the user until a correct entry has been made. ]

     Which of the following is a reserved word ?

    – boolean 

    Submitted answers: [ boolean ]

     What method of a content pane changes its background color?

    – setBackground (Color c) 

    Submitted answers: [ setBackground (Color c) ]

     Which method will the program end immediately?

     Can the program put text in JTextField?

    – Yes, by setText()using. 

    Submitted answers: [ Yes, by setText()using. ]

     Which is the class for swing labels?

    – JLabel 

    Submitted answers: [ JLabel ]

     Which method is used JTextFieldto read text from one ?

    – getText() 

    Submitted answers: [ getText() ]

     What is an expression ?

    – An expression is a combination of literals, operators, variables, and parentheses to calculate a value. 

    Submitted answers: [ An expression is a combination of literals, operators, variables, and parentheses to calculate a value. ]

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