Search & Filtering
The area of a rectangle is the rectangle’s length times its width. Write a program that asks for the length and width of two rectangles. The program should tell the user which rectangle has the greater area, or if the areas are the same.
String Starts or Ends with given String
Given an array
stringsArray of strings, and startString, endString as inputs, write a JS program to filter the strings in stringsArray starting with startString or ending with endString.
Quick Tip
You can use the array method filter() and logical operator OR ( || ).
Input
- The first line of input contains a string stringsArray
- The second line of input contains a string startString
- The third line of input contains a number endString
Output
- The output should be a single line containing an array of filtered strings
Sample Input 1
['teacher', 'friend', 'cricket', 'farmer', 'rose', 'talent', 'trainer']
t
r
Sample Output 1
[ 'teacher', 'farmer', 'talent', 'trainer' ]
Sample Input 2
['dreamer', 'player', 'reader', 'writer', 'trendy']
p
er
Sample Output 2
[ 'dreamer', 'player', 'reader', 'writer' ]
Write four different Java statements that each add 1 to integer variable x.
State whether each of the following is true or false. If false, explain why. a. An algorithm is a procedure for solving a problem in terms of the actions to execute and the order in which these actions execute.
b. A set of statements contained within a pair of parentheses is called a block. c. A selection statement specifies that an action is to be repeated while some condition remains true.
d. A nested control statement appears in the body of another control statement. e. Java provides the arithmetic compound assignment operators +=, -=, *=, /= and %= for abbreviating assignment expressions.
f. The primitive types (boolean, char, byte, short, int, long, float and double) are portable across only Windows platforms.
g. Specifying the order in which statements (actions) execute in a program is called program control.
h. The unary cast operator (double) creates a temporary integer copy of its operand. i. Instance variables of type boolean are given the value TRue by default. j. Pseudocode helps a programmer think out a program before attempting to write it in a programming language.
Given code is :-
"use strict";
process.stdin.resume();
process.stdin.setEncoding("utf-8");
let inputString = "";
let currentLine = 0;
process.stdin.on("data", (inputStdin) => {
inputString += inputStdin;
});
process.stdin.on("end", (_) => {
inputString = inputString.trim().split("\n").map((str) => str.trim());
main();
});
function readLine() {
return inputString[currentLine++];
}
/* Please do not modify anything above this line */
class Mobile {
constructor(brand, ram, battery, isOnCall, song) {
this.brand = brand;
this.ram = ram;
this.battery = battery;
this.isOnCall = isOnCall;
this.song = song;
this.isOnCall = false;
}
onCall() {
this.isOnCall = true;
}
removeCharging() {
console.log("Please remove charging");
}
charging() {
if (this.battery < 100) {
this.battery = 100;
console.log(`Mobile charged ${this.battery}%`);
} else {
console.log(`Mobile is fully charged`);
this.removeCharging();
}
}
playMusic() {
this.song = this.song;
console.log(`Playing ${this.song} song`);
}
stopMusic() {
this.song = this.song;
console.log('Music stopped');
}
makeCall() {
console.log("Calling...");
}
endCall() {
if (this.isOnCall == false) {
this.isOnCall = true;
console.log('No ongoing call to end');
} else if (this.isOnCall == true) {
console.log('Call Ended');
}
}
}
/* Please do not modify anything below this line */
function main() {
const brand = readLine();
const ram = readLine();
const battery = parseInt(readLine());
const song = readLine();
const isOnCall = JSON.parse(readLine());
const myMobile = new Mobile(brand, ram, battery, isOnCall, song);
console.log(`Mobile charged ${myMobile.battery}%`); // The Mobile battery charged percentage
myMobile.charging(); // The Mobile charging
myMobile.playMusic(); // The Mobile will start playing a song
myMobile.stopMusic(); // The Mobile will stop playing a song
myMobile.endCall(); // The Mobile will end a call.
myMobile.makeCall(); // The Mobile will make a call.
myMobile.endCall(); // The Mobile will end a call.
}
Input
- The first line of input contains a string brand
- The second line of input contains a string ram
- The third line of input contains a number battery
- The fourth line of input contains a string song
- The fifth line of input contains a boolean isOnCall
Output
- The first line of output is a string containing
- battery before charging, as shown in the sample outputs
- The second line of output is a string based on
- battery, as shown in the sample outputs
- The third line of output is a string containing
- song, as shown in the sample outputs
- The fourth line of output is a string "Music stopped"
- The fifth line of output is a string "No ongoing call to end" or "Call Ended"
- The sixth line of output is a string "Calling..."
- The seventh line of output is a string "Call Ended"
Constraints
0 <=
battery <= 100
sample input :-
Apple
2 GB
90
Waka Waka
false
sample output :-
Mobile charged 90%
Mobile charged 100%
Playing Waka Waka song
Music stopped
No ongoing call to end
Calling...
Call Ended
Sample Input 2 :-
Samsung
8 GB
100
Gangnam Style
true
Sample Output 2 :-
Mobile charged 100%
Mobile is fully charged
Please remove charging
Playing Gangnam Style song
Music stopped
Call Ended
Calling...
Call Ended
please help me for getting the accurate outputs a above, not error is displaying in the output, but the main problem is in the ( Endcall section) I think so.
Once U please run the code you may understand where to modify.
thankyou.
Square at Alternate Indices
Given an array
myArray of numbers, write a function to square the alternate numbers of the myArray, starting from index 0 using the array method map.Input
- The input will be a single line containing an array myArray
Output
- The output should be a single line containing an array with alternate numbers squared
Constraints
- Each value in the array must be a number
Sample Input 1
[ 1, 2, 3, 4, 5 ]
Sample Output 1
[ 1, 2, 9, 4, 25 ]
Sample Input 2
[ 2, 4 ]
Sample Output 2
[ 4, 4 ]
and the given code to fill the function is :
"use strict";
process.stdin.resume();
process.stdin.setEncoding("utf-8");
let inputString = "";
let currentLine = 0;
process.stdin.on("data", (inputStdin) => {
inputString += inputStdin;
});
process.stdin.on("end", (_) => {
inputString = inputString.trim().split("\n").map((str) => str.trim());
main();
});
function readLine() {
return inputString[currentLine++];
}
/* Please do not modify anything above this line */
function main() {
const myArray = JSON.parse(readLine());
/* fill the code in this function */
}
Filter Unique Characters
Given a string
myString as an input, write a JS program to find the unique characters from the myString.
Quick Tip
You can use the array method indexOf().
Input
- The input will be a single line containing a string myString
Output
- The output should be a single line containing an array of unique characters
Sample Input 1
Was it a cat I saw?
Sample Output 1
[
'W', 'a', 's', ' ',
'i', 't', 'c', 'I',
'w', '?'
]
Sample Input 2
I did, did I?
Sample Output 2
[ 'I', ' ', 'd', 'i', ',', '?' ]
String Starts or Ends with given String
Given an array
stringsArray of strings, and startString, endString as inputs, write a JS program to filter the strings in stringsArray starting with startString or ending with endString.
Quick Tip
You can use the array method filter() and logical operator OR ( || ).
Input
- The first line of input contains a string stringsArray
- The second line of input contains a string startString
- The third line of input contains a number endString
Output
- The output should be a single line containing an array of filtered strings
Sample Input 1
['teacher', 'friend', 'cricket', 'farmer', 'rose', 'talent', 'trainer']
t
r
Sample Output 1
[ 'teacher', 'farmer', 'talent', 'trainer' ]
Sample Input 2
['dream', 'player', 'read', 'write', 'trend']
p
d
Sample Output 2
[ 'player', 'read', 'trend' ]
String Slicing
Given two strings
inputString and subString as inputs, write a JS program to slice the inputString if it includes the subString. Slice the inputString starting from the subString to the end of the inputString.Input
- The first line of input contains a string inputString
- The second line of input contains a string subString
Output
- The output should be a sliced string or inputString (if the inputString does not include the subString)
Sample Input 1
JavaScript
S
Sample Output 1
Script
Sample Input 2
Language
air
Sample Output 2
Language
Create a class that includes a data member that holds a “serial number” for each
object created from the class. That is, the first object created will be numbered 1, the
second 2, and so on. To do this, you’ll need another data member that records a count
of how many objects have been created so far. (This member should apply to the class
as a whole; not to individual objects. What keyword specifies this?) Then, as each
object is created, its constructor can examine this count member variable to determine
the appropriate serial number for the new object. Add a member function that permits
an object to report its own serial number. Then write a main() program that creates
three objects and queries each one.
#339914 on Dec 2023