programming fb project

5/28/2018 Programming Fb Project

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Pre-assessment 2.4 for LO8, LO9, LO10, LO11, LO12, and LO13

Part 1. Directions: Read each statement carefully. Write the letter of the correct answer on the

space provided before the number (5 points).

1. It is a location in a computer memory that is used to store values such as numbersand text and usually change as the program execute.

a. Variable b. Primitive Date Types2. These are predefined by Java Language and usually named by a keyword.

a. Variable b. Primitive Date Types3. It is a symbol used to denote concatenating a string.

a. Plus sign (+) b. Dollar sign ($)4. A data type that represents two states: true or false.

a. Char b. Boolean5. A data type that represents a single Unicode character. It must have its literal

enclosed in single quotes ( ).

a. String b. character (char)

Part 2. Directions: What data type (int, double, or string) is appropriate for storing each of the

following values? Write your answer on the space before the number (10 points)

1. A product number2.

The amount of interest on a loan, such as 10%

3. The price of a CD4. The name of your best friend5. The number of books you own6. The address of your school7. The area of a circle8. The title of a book9. Your grade in Math10.The number of your subjects


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Self-check 2.4

Part 1. Directions: Read each statement carefully. Write the letter of the correct answer on the

space provided before the number (5 points).

1. It is a location in a computer memory that is used to store values such as numbersand text and usually change as the program execute.

b. Variable b. Primitive Date Types2. These are predefined by Java Language and usually named by a keyword.

b. Variable b. Primitive Date Types3. It is a symbol used to denote concatenating a string.

b. Plus sign (+) b. Dollar sign ($)4. A data type that represents two states: true or false.

b. Char b. Boolean5. A data type that represents a single Unicode character. It must have its literal

enclosed in single quotes ( ).

b. String b. character (char)

Part 2. Directions: What data type (int, double, or string) is appropriate for storing each of the

following values? Write your answer on the space before the number (10 points)

1. A product number2.

The amount of interest on a loan, such as 10%

3. The price of a CD4. The name of your best friend5. The number of books you own6. The address of your school7. The area of a circle8. The title of a book9. Your grade in Math10.The number of your subject


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Part 3. Directions: Given the table below, declare the following variables with the

corresponding data types and initialization values. Output to the screen the variable names

together with the values.

Variable name Data type Initial value

number integer 10letter character A

result boolean True

str String Hello

The following should be the expected screen output,

1. Number = 10;2. letter = a;3. result = True;4. String = (Hello);

Part 4.Trace the output of the following statements:

1. Program 1:System.out.print(Java);

System.out.print(Programming);

Output: Java Programming

2. Program 2:System.out.println(Java);

System.out.println(Programming);

Output: Java

Programming


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Pre-assessment 2.5 for LO14, LO15, LO16, LO17, LO18, and LO19

Part 1.Directions: Answer the following:

1. The order in which the operations should be performed.a. Data Types b. Operator Precedence

2. Use to perform calculations with values in your programs.a. Arithmetic Operators b. Logical Operators

3. This arithmetic operator is used to add values.a. + b.

4. This arithmetic operator that computes the remainder by dividing the dividend from thedivisor.

a. / b. %5. A value used on either side of an operator is called ________

a. operant b. operand6. Increment and decrement operators increase and decrease a value stored in a number

variable by _______.

a. 0 b. 17. It is a pre-increment operator

a. ++i b. i++Part 2. Given the following expressions, re-write them by writing some parenthesis based on

the sequence on how they will be evaluated.

average = score1 + score2 + score3 / 3

Answer: int average = (score1 + score2 + score3 / 3);

result = 3 * 10 * 2 / 152 + 4

Answer: int result = (3 * 10 * 2 / 152 = 4);

Part 3.Simulate the result. Write your answer on the space provided.

Condition Result

3 * 6 *4 7212 + 10 + 20 42

44 - 23 21

55 % 555 5

63 / 8 7


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Self-check 2.5

Part 1.Directions: Answer the following:

1. The order in which the operations should be performed.b. Data Types b. Operator Precedence

2. Use to perform calculations with values in your programs.b. Arithmetic Operators b. Logical Operators

3. This arithmetic operator is used to add values.b. + b.

4. This arithmetic operator that computes the remainder by dividing the dividend from thedivisor.

b. / b. %5. A value used on either side of an operator is called ________

b. operant b. operand6. Increment and decrement operators increase and decrease a value stored in a number

variable by _______.

b. 0 b. 17. It is a pre-increment operator

b. ++i b. i++Part 2. Evaluate the following expressions. Show the solution and display the result on the

space provided. (5 items)

1. 4 + 62 * 2Answer: 6

2. 90 / 9 * 2 + 42Answer: 22

3. ((3 / 3) * 9)6 + (4 + (2 * 2))Answer: 11

4. (5 * 520) % 252 + 3 * 5Answer: 3

5. 2 % 4 * 22 + 6 / 3Answer: 4


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Pre-assessment 2.6 for LO20 and LO21

Directions:Answer the following. Write the letter of the correct answer on the space provided.

Escape sequence that:

1. moves the cursor to the beginning of the next line.a. \n b. \r

2. moves the cursor to the beginning of the current line.a. \n b. \r

3. Moves the cursor to the next tab stopa. \t b. \s

4. Prints a back slash charactera. // b. \\

5. Prints a double quotation marka. \ b. \

Self-check 2.6

Directions:Answer the following. Write the letter of the correct answer on the space provided.

Escape sequence that:

1. moves the cursor to the beginning of the next line.b. \n b. \r

2. moves the cursor to the beginning of the current line.b. \n b. \r

3. Moves the cursor to the next tab stopb. \t b. \s

4. Prints a back slash characterb. // b. \\

5. Prints a double quotation markb. \ b. \


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Directions:Read the statement carefully. Write the letter of your choice in the space provided

before the number.

1. A class that makes it easy to pop up a standard dialog box that prompts users for a valueor inform them of something.

a. JOptionPane b. JOptionPaneWindow2. It is package where JOptionPane can be imported.

a. Javax.swing b. javax.exe3. It is a method used to convert a string to an integer value

a. parseDouble b. parseInt4. It is a method used to convert a string to double value.

a. parseDouble b. parseInt5. The JOptionPane.showInputDialog will display a dialog with a message, a textfield and

________.

a. OK button b. Cancel buttonSelf-check 2.7

Directions: Read the statement carefully. Write the letter of your choice in the space provided

before the number.

1. A class that makes it easy to pop up a standard dialog box that prompts users for a valueor inform them of something.b. JOptionPane b. JOptionPaneWindow

2. It is package where JOptionPane can be imported.b. Javax.swing b. javax.exe

3. It is a method used to convert a string to an integer valueb. parseDouble b. parseInt

4. It is a method used to convert a string to double value.b. parseDouble b. parseInt

5. The JOptionPane.showInputDialog will display a dialog with a message, a textfield and________.b. OK button b. Cancel button


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Part 1. Directions. Read each statement carefully, select the letter of the correct answer and

write your answer on the space provided. (7 items)

1. It is a code structure where the statements are executed in sequence, withoutbranching off in another direction.

a. Sequence structure b. Sequence number c. Decision Structure2. A control structure that allows different parts of a program to execute depending on

the exact situation.

a. Sequence structure b. Sequence number c. Decision Structure3. It is a less than operator.

a. > b. b 6. b = b3. a = b 8. (b + c) == a4. (b + c) > a 9. c == c5. c != (ab) 10. b >= (ac)


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Self-check 3.1

Directions: Read each statement carefully, write TRUE if the statement is correct otherwise

write FALSE. Write your answer on the space provided before the number.

1. The expression op1 == op2 is true if op1 is equal to op2.2. The expression op1 b 6. b = b3. a == b 8. (b + c) == a4. (b + c) > a 9. c == c5. c != (ba) 10. b >= (ca)


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Directions: Read each statement carefully. Select the letter of the correct answer and write on

the space provided before the number.

1. These are logical operators used to combine more than one condition that may betrue or false

a. Short-circuit logical operator b. Logical operator c. Bitwise Logical Operator2. It is a bitwise logical OR operator

a. & b. | c. ||3. These are logical operators that manipulate the bits of an integer (byte, short, char,

int, long) value.

a. Short-circuit logical operator b. Logical operator c. Bitwise Logical Operator4. Looks at two expressions and returns a value of true if both expressions are true.

a. & b. && c. ||5. Looks at two expressions and returns a value of true if either one-but not both-of

the expressions are true.

a. & b. && c.||Self-check 3.2

Part 1. Directions: Read each statement carefully, write TRUE if the statement is correct

otherwise write FALSE. Write your answer on the space provided before the number.

1. Logical operator deals with connecting the Boolean values.2. The operator used for short-circuit logical OR is &&.3. The operator used for short-circuit logical AND is ||.

Directions: Select the letter of the correct answer and write your answer on the space provided

4. Used to combine more than one condition that may be true or false.a. Short-circuit logical operator b. Logical operator c. Bitwise Logical operator

5. Manipulate the bits of an integer (byte, short, char, int, long) value.a. Short-circuit logical operator b. Logical operator c. Bitwise Logical operator

Part 2. Directions: Evaluate the following expression. Write your answer on the space provided

before the number.

Where: a = 50 b = 25 c = 15

1. (a > b) && (a > b) 3. (c < b) && (b > a) 5. c != (ab)2. (a == b) || (b + c) < c 4. (a < b) || (b > a)


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Directions: Read each statement carefully, select the letter of the correct answer and write

your answer on the space provided.

1. How many choices are possible when using a single if-else statement?a. 1 b. 2 c. 3 d. 4

2. What does the following code fragment displays?Int sum = 14;

If (sum < 20)

System.out.print(Under);

else {

System.out.print(Over);

System.out.println(the limit);

}a. Under b. Over c. Under the limit d. Over the limit

3. What does the following code fragment displays?Int sum = 7;

If (sum > 20)

{

System.out.print(You win);

}

else

{System.out.println(You lose);

}

System.out.print(the prize.);

a. You win b. You lose c. You win the prize. d. You lose the prize.4. What does the following code fragment displays?

Int sum = 21;

If (sum != 20)

System.out.print(You win);

elseSystem.out.print(You lose);

System.out.println(the prize.);

a. You win b. You lose c. You win the prize. d. You lose the prize.5. In using the switch statement, when the Boolean_expression is true, the program

will ________.

a. Execute a statement b. terminate the program c. hang the program


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Self-check 3.3

Directions: Read each statement carefully,, select the letter of the correct answer and write your answer

on the space provided.

1. What does the following code fragment displays?Int height = 10;If (height =5. Fill-in the blank, so student with grade greater than or equal to 75 will pass the course.

If (grade ____ )

System.out.println(You passed);

else

System.out.println(Sorry, you failed);

a. < b. == c. != d. >=


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Part 2. Directions:Write the syntax/form of the following items.

1. If-statement 3. If-else-if statement

2. If-else statement


Directions: Fill-in the missing syntax of the switch structure flowchart

Switch Statement Flowchart


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8. It is an alternative to the use of the series of nested if statements.a. If statement b. switch statement c. for statement

9. In the format of the switch statement, the (switch_expression) should be a/an______expression.

a.

Double or String expression c. character expression onlyb. Integer or character expression d. String expression only

10.In the switch statements, if none of the cases are satisfied, this block is executed.a. Default block b. break block c. case block

Self-check 3.3

Input the letter of your choice from: S-Small; M-Medium; L-Large; X-Extra-large and display the

value for each choice. For example.

Choice: S

The size is Small

Algorithm

Int size = 35;

Switch (size / 5 ) {

case 9:

case 10:

System.out.println(S);

System.out.println(The size is Small);Break;

case 8:

case 7:

System.out.println(M);

System.out.println(The size is Medium);

Break;

case 5:

case 6:

System.out.println(L);

System.out.println(The size is Large);

Break;case 3:

case 4:

System.out.println(X)

System.out.println(The size is Extra-large);

Break;

}


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Lab 2.7

Based on the algorithm presented, write a Java program to calculate the area of a circle. Assign

an integer values to the variable radiusfor example int radius = 2. Save the class as

Circle.java.

Algorithm:

1. Read in the radius2. Compute the area using the following formula:

Area = radius x radius x 3.142

3. Display the areaWrite your source codes.

public class Circle

{

public static void main(String[] args)

{

int radius = 2;

double area = 3.142;

area = radius * radius * area;

System.out.println(The area of the circle is + area);

}

}

What is the output of the program?

The area of the circle is 12.568


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Lab 2.8: Using variables and data types

Write a program that converts pounds into kilograms. Assign appropriate values to the variable in

pounds, converts it to kilograms, and displays the result. Save the class as Weight.java.

[Note: One pound is 0.454 kilograms.]

Write your source codes.

public class Weight {

public static void main(String[] args) {

String Onepound = 0.454 kg;

System.out.println(One pound is = + Onepound); }

}


One pound is = 0.454 kg

Lab 2.9 Using variables and data types

Write a Java program that declares variables to represent the length and width of a room. Assign

appropriate values to the variablesfor example, length = 20 and width = 15. Then complete and

display the floor space in square feet. Display explanatory text with the valuefor example, The floor

space is 300 square feet. Save the class as Room.java. [Note:Floor space = length * width.]


public class Room {


int length = 30, width = 25, floorSpace = 0;

floorSpace = length * width;

System.out.println(The floor space is + floorSpace); }

}


The floor space is 750


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Lab 2.10 GETTING THE AVERAGE OF THREE NUMBERS

In this laboratory activity, you will create a program that outputs the average of three numbers.

Let the value of the three numbers be 10, 20 and 45. Save the class as Average.java. Theexpected output is,

number1 = 10

number2 = 20

number3 = 45

average is = 25

Write you source codes.

public class Average

{


{

int num1 = 10, num2 = 20, num3 = 45;

int average = (10 + 20 + 45) / 3;

System.out.println(The average is + average);

}

}


The average is 25


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LAB 2.11. Getting the results of the different variables declared using arithmetic operators.

1. Open NetBeans IDE and create a new project and name it as ArithmeticOperators.java.2. Write your source codes.public class ArithmeticOperators

{


{

int i = 37, j = 42;

double x = 27.475, y = 7.22;

int add1 = (i + j);

double add2 = (x + y);

int subtract1 = (ij);

double subtract2 = (xy);

int multiply1 = (I * j);

double multiply2 = (x * y);

int divide1 = (i / j);

double divide2 = (x / y);

int remainder1 = (i % j);

double remainder2 = (x % y);

double mix1 = (jy);

double mix2 = (i * x);

System.out.println(Variable values. . .);

System.out.println(i = + i);


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System.out.println(j = + j);

System.out.println(x = + x);

System.out.println(y = + y);

System.out.println(Adding. . .);

System.out.println(i + j = + add1);

System.out.println(x + y = + add2);

System.out.println(Subtracting. . .);

System.out.println(i j = + subtract1);

System.out.println(x y = + subtract2);

System.out.println(Multiplying. . .);

System.out.println(i * j = + multiply1);

System.out.println(x * y = + multiply2);

System.out.println(Dividing. . .);

System.out.println(i / j = + divide1);

System.out.println(x / y = + divide2);

System.out.println(Computing the remainder. . .);

System.out.println(i % j = + remainder1);

System.out.println(x % y = + remainder2);

System.out.println(Mixing types. . .);

System.out.println(j y = + mix1);

System.out.println(i * x = + mix2);

}

}


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LAB 2.12. Getting the sum of two integers

Write a Java program that reads in two integers and display the sum of the two integers. Save

the class as Sum.java.


public class Sum {


int integer1 = -4, integer2 = -25;

int sum = -4 + -25;

System.out.println(The sum of the two integers: + sum); }

}


The sum of the two integers: -29

Lab 2.13

Write a class that displays the following heading on one line:

First NameLast Name Student Number Phone Number

Display your first name, last name, student number and phone number on the second line,

below the appropriate column headings. Save the class as Escape.java.


public class Escape {


String FirstName = Rick Azley, LastName = Martin;

Double StudentNumber = 21-9154, PhoneNumber = +63905-1752-472;

System.out.println(\Rick Azley\tMartin\t21-9154\t+63905-1752-472\); }

}


Rick Azley Martin 21-9154 +63905-1752-472

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