Test on JAVA test P5

Question 1. How much of the above block will result if we enter revenue = 1?

 switch (receiver) { 

 case 2: 

 System.out.println ('Van, Toan'); 

 break; 

 case 3: 

 System.out.println ('Flowers, Cups'); 

 break; 

 default: 

 System.out.println ('Immediately'); 

 break; 

 }

Van, Toan
Flowers, Ly
Immediately
There is no answer

Question 2. How much will the above block result if we enter revenue = 2?

 switch (receiver) { 

 case 2: 

 System.out.println ('Van, Toan'); 

 break; 

 case 3: 

 System.out.println ('Flowers, Cups'); 

 break; 

 default: 

 System.out.println ('Immediately'); 

 break; 

 }

Van, Toan
Flowers, Ly
1. Immediately
There is no right answer

Question 3. How much of the above block will result if we enter revenue = 3?

 switch (receiver) { 

 case 2: 

 System.out.println ('Van, Toan'); 

 break; 

 case 3: 

 System.out.println ('Flowers, Cups'); 

 break; 

 default: 

 System.out.println ('Immediately'); 

 break; 

 }

Van, Toan
Flowers, Ly
Immediately
There is no right answer

Question 4. If color = DEN, what is the above command to print the result?

 mausac enum {DEN, LAM, LUC, PAGE}; 

 mausac color; 

 char * t; 

 switch (color) { 

 case 0: 

 t = 'Mau page'; 

 break; 

 case 1: 

 t = 'Mau den'; 

 break; 

 case 2: 

 t = 'Mau lam'; 

 break; 

 case 3: 

 t = 'Mau luc'; 

 break; 

 default: 

 t = 'Not in the list'; 

 break; 

 }

 System.out.println (t);

Quick page
black
Quickly
There are no colors in the list

Question 5. If color = DEN, what is the above command to print the result?

 enum mausac {DEN = 3, LAM, LUC, PAGE}; 

 mausac color; 

 char * t; 

 switch (color) { 

 case 0: 

 t = 'Mau page'; 

 break; 

 case 1: 

 t = 'Mau den'; 

 break; 

 case 2: 

 t = 'Mau lam'; 

 break; 

 case 3: 

 t = 'Mau luc'; 

 break; 

 default: 

 t = 'Not in the list'; 

 break; 

 } 

 System.out.println (t);

black
Blue
Quick page
Quickly

Question 6. When executing the above block, what is the result?
```
 int s = 0; 

 for (int i = 0; i <10; i ++) 

 s + = i; 

 System.out.println (s); 
```
1. 45
2. 0
3. 55
4. No results were correct
Question 7. What does this block do?
```
 int [] mang = new int [10]; 

 int s = 0; 

 int j = 0; 

 for (int i: mang) { 

 i = ++ j; 

 s + = i; 

 } 

 System.out.println ('S =' + s); 
```
1. Enter data for the raw array.
2. Calculate the total integer array.
3. Enter data and calculate the integer array.
4. All is wrong

Question 8. When executing the command block in the figure, what will be the result?

 int [] mang = new int [10]; 

 int s = 0; 

 int j = 0; 

 for (int i: mang) { 

 i = ++ j; 

 s + = i; 

 } 

 System.out.println ('S =' + s);

1. S = 40
1. S = 50
S = 55
S = 45

Question 9. When executing the above block, what is the result?

 int [] mang = new int [10]; 

 int s; 

 int j = 0; 

 for (int i: mang) { 

 s = 0; 

 i = ++ j; 

 s + = i; 

 } 

 System.out.println ('S =' + s);

Wrong command
S = 10
1. S = 45
1. S = 55

Question 10. When executing the block, what is the result?

 int i = 0; 

 due to { 

 i + = 1; 

 } while (i == 0); 

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

i = 0
i = 1
i = 2
All is wrong

Samuel Daniel

Update 24 May 2019

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Test on JAVA test P5

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