BaiTN7

Dịch câu sau ra tiếng anh “Tôi tạo 3 gói với tên gọi mylib, mydata và mygui”

• I create three packs, named mylib, mydata and mygui.

• I create three packages, named mylib, mydata and mygui.

• I create three packets, named mylib, mydata and mygui

• I create three packets with call names mylib, mydata and mygui.

 

javax.swing is the name ______ package.

*

• at

• on

• in

• of

public void moveLeft (int amount) { x = x - amount; } (In Java)

x is a _______. 

• object

• method

• class

• variable

Typically the classes are described in a graphical notation, called a ______.

• graph

• activity diagram

• use case

• class diagram

What should we do to prevent errors during software development? 

• ignore

• make good design

• debug

  
  

• fix errors

public void moveLeft (int amount) { x = x - amount; } (In Java)

moveLeft is a _______. 

• method

• object

• class

• variable

Robust software is _______. 

• software that contains faults

  
  

• software that contains errors

• software that tolerates faults

• computer that contains errors

In Java, classes called Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday are grouped in a package called week.

Write the statement to create an object monday of the class Monday

• Monday

• monday is Monday;

• Monday monday = new Monday();

• monday

In OOP,  “Classes Square and Rectangle are subclasses of superclass Shape”

superclass là _______. 

• siêu lớp

• lớp kế thừa

• lớp con

• lớp cha

import java.awt.*; (in Java) - Using * means that we want to ______ all the classes within the named package. 

• import

• export

• exports

• imports