41. What is the result of the following expression? 25- 7 * 3 + 12/ 3 6 8 10 12
ID: 3809642 • Letter: 4
Question
41. What is the result of the following expression?
25- 7 * 3 + 12/ 3
6
8
10
12
43. Which of the following statements correctly creates a scanner object for keyboard input?
Scanner kbd= new scanner (system. Keyboard);
Scanner keyboard(syatem.in);
Scanner keyboard = new scanner (system.in);
Keyboard scanner = new keyboard (system.in)/
45. Which of the following expression will determine whether x is less than or equal to y?
x>y
x=<y
x<=y
x>=y
47. What will be the value of ans after the following code has been executed?
Int ans = 10;
Int x = 65;
Int y = 55;
If (x >=y)
Ans = x + y
10
120
100
No value, there is a syntax error
49. A block of code is enclosed in a set of
Braces {}
Parentheses ()
Double quotes ““
Brackets []
51. Enclosing a group of statements inside a set of braces creates a
Block of statements
Boolean expression
Loop
Nothing, it is just for readability
53. If a loop does not contain within itself a way to terminate, it is called a(n)
While loop
do-while loop
for loop
infinite loop
55. What will be the value of x after the following code is executed?
Int x = 10;
While (x<100)
{
X+=10;
}
90
100
110
This is an infinite loop
57. How many times will the following for loop be executed?
For (int count = 10; count <=21; count++)
System.out.printIn (“java is great!!!”);
1
10
11
0
59. This is a value that signals when the end of a list of values has been reached.
Terminal value
Final value
End value
Sentinel
TRUE/FALSE
61. Application software refers to programs that make the computer useful to the user.
63. logical errors are mistaken that cause the program to produce erroneous results.
65. what are the 3 types of the loop?
67.Define the following terms: a-Algorithm b-flowchart
69. List 3 data types
Explanation / Answer
Answers:
41)8
43)Scanner keyboard = new scanner (system.in);
45)x<=y
47)120
49)Braces {}
51)Block of statements
53)infinite loop
55)100
57)11
59)Sentinel
61)True
63)True
65)for,while and do-while
67) Algorithm:A set of rules for problem solving operations
Flow Chart:It is a digram that represents flow of an algorithm.
69)int,float,char
Note:Please do ask in case of any doubt,thanks.
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