Question

A UML class diagram has the following description about a member of the class:

+ getHeaderField(name:String):String

Which of the following is a correct declaration of the member in Java?

		1 public String getHeaderField(String name)
		2 public String getHeaderField;
		3 public String getHeaderField(String)
		4 public static String getHeaderField( name) ------------------------------------------------------------------------------------------------------------------------------------- Note: all answers are case sensitive. Inside a class, the declaration of a constructor looks like the following: public JButton(String text) 1. From the constructor, you infer that the name of the class containing the constructor must be _______________ . 2. Fill in the blanks so that the statement will instantiate a JButton object and assigns it to variable of JButton type: JButton btn= _______________  _______________("OK"); 3. Fill in the blanks to complete the description of the constructor in the corresponding UML class diagram: +<<constructor>>_____________ (________________: _______________)

Answer 1

Question 1:

+ getHeaderField(name:String):String

Which of the following is a correct declaration of the member in Java?

Answer:

1 public String getHeaderField(String name)

Question 2:

Answer:

Inside a class, the declaration of a constructor looks like the following:

public JButton(String text)

1. From the constructor, you infer that the name of the class containing the constructor must be ___Parameterized Constructor____________ .

2. Fill in the blanks so that the statement will instantiate a JButton object and assigns it to variable of JButton type:

JButton btn= new JButton("OK");

3. Fill in the blanks to complete the description of the constructor in the corresponding UML class diagram:

Answer:

+ JButton(text:String)