Latihan UPS2

This is an example of not valid variable declaration.

string name,

Rewrite a valid java variable declaration.

(a)  

All the primitive data types are

• String

• int

• double

• char

Data type to represents integer

(a)  

An array consists of

• Data type

• Size

• Index location

• Value

• Name

Which of the following statement is TRUE. Declare a name array and makes it refer to an array of three elements

• String [ ] name = {" Adam", " Kevin" , "Aminah" };

• String [ ] name = {Adam, Kevin , Aminah };

• String [3 ] name = {" Adam", " Kevin" , "Aminah" };

• string [ ] name = {" Adam", " Kevin" , "Aminah" };

Declare an array variable

• int [ ] counts;

• int [5 ] counts;

• int [ ] counts [ ] ;

Create array

• counts = new int [5];

• counts [ ] = new int [5];

• marks = new int [50];

• marks = new int [-85];

Declare a variable and create array

• int [ ] counts = new int [5];

• int [ ] counts = new Int [5];

• int [ ] counts = New int [5];

• int [ ] counts = new int [ ];

Which of the following statement is TRUE about identifier?

• The name of identifier can begin with a digit

• An identifier must starts with a character (A-Z, a-z), an underscore ( _ ) or a dollar sign ( $ )

• Reserved word / Keyword listed in Java cannot be used as identifier.

Give the value of the following expression:

50/100 =

(a)