1. (TCO 1) Which command executes the Java class file Welcome.class? (Points : 6

Question

1. (TCO 1) Which command executes the Java class file Welcome.class? (Points : 6)       javac Welcome.class
      execute Welcome
      run Welcome.class
      java Welcome

Question 2. 2. (TCO 1) What is the default value of an integer variable when it is first declared? (Points : 6)       0
      null
      garbage
      default

Question 3. 3. (TCO 1) How is a static method executed? (Points : 6)       By specifying the object name, then a dot, then the method name.
      By specifying the method name with any needed parameters.
      By specifying the class name, then a dot, then the method name.
      All of the above.

Question 4. 4. (TCO 1) Which of the following can be used to get a double value from the keyboard? (Points : 6)       Formatter input = new Formatter(System.in);  double value = input.nextDouble( );
      Scanner input = new Scanner(System.out);  double value = input.nextDouble( );
      Formatter input = new Formatter(System.out);  double value = input.nextDouble( );
      Scanner input = new Scanner(System.in);  double value = input.nextDouble( );

Question 5. 5. (TCO 1) Which of the following gets a double value from the user? (Points : 6)       double x = JOptionPane.getDouble( 1. (TCO 1) Which command executes the Java class file Welcome.class? (Points : 6)       javac Welcome.class
      execute Welcome
      run Welcome.class
      java Welcome

Question 2. 2. (TCO 1) What is the default value of an integer variable when it is first declared? (Points : 6)       0
      null
      garbage
      default

Question 3. 3. (TCO 1) How is a static method executed? (Points : 6)       By specifying the object name, then a dot, then the method name.
      By specifying the method name with any needed parameters.
      By specifying the class name, then a dot, then the method name.
      All of the above.

Question 4. 4. (TCO 1) Which of the following can be used to get a double value from the keyboard? (Points : 6)       Formatter input = new Formatter(System.in);  double value = input.nextDouble( );
      Scanner input = new Scanner(System.out);  double value = input.nextDouble( );
      Formatter input = new Formatter(System.out);  double value = input.nextDouble( );
      Scanner input = new Scanner(System.in);  double value = input.nextDouble( );

Question 5. 5. (TCO 1) Which of the following gets a double value from the user? (Points : 6)       double x = JOptionPane.getDouble(

Explanation / Answer

14)--->Creates a text field object 10 columns wide.

15)--->provides an area for manipulating multiple lines of text.

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.