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Mcq Result 1921

কোন কি-ওয়ার্ড দিয়ে একটি ফাংশন সংজ্ঞায়িত করা হয়?

সঠিক উত্তরের ব্যাখ্যা:Python-এ ফাংশন def কি-ওয়ার্ড দিয়ে সংজ্ঞায়িত হয়।কেন অন্য বিকল্পগুলি ভুল:বিকল্প B: 'function' JavaScript-এ ব্যবহৃত।বিকল্প C: 'define' Python কি-ওয়ার্ড নয়।বিকল্প D: 'func' Go-তে ব্যবহৃত, Python-এ নয়।

/question/mcq/26419

Mcq Result 1922

নিচের কোনটি Java-এর Keyword?

class হলো Java-এর একটি Reserved Keyword।

/question/mcq/25126

Mcq Result 1923

নিচের কোনটি Python-এর সঠিক Comment?

বিস্তারিত ব্যাখ্যা: Python-এ Comment লেখার জন্য # চিহ্ন ব্যবহার করা হয়। # চিহ্নের পরে যা লেখা হয়, Python Interpreter সেটিকে Comment হিসেবে গণ্য করে এবং প্রোগ্রাম চালানোর সময় উপেক্ষা করে। Comment সাধারণত কোডের ব্যাখ্যা, নির্দেশনা বা অতিরিক্ত তথ্য লেখার জন্য ...

/question/mcq/25291

Mcq Result 1924

নিচের কোনটি একটি প্রোগ্রামিং ভাষা?

Java একটি জনপ্রিয় উচ্চস্তরের (High-Level) প্রোগ্রামিং ভাষা।

/question/mcq/25108

Mcq Result 1925

নিচের কোনটি হার্ডওয়্যার নয়?

Which of the following is not a hardware? [SSC FCI 2012] (1) Processor?chip (2) Printer (3) Mouse (4) Java

/question/mcq/23576

Question Result 1926

Question: Rewrite the following fragment using switch: if (ch == 'E') eastern++; if (ch == 'W') western++; if (ch == 'N') northern++; if (ch == 'S') southern++; else unknown++;

Answer: Here’s the equivalent code using a switch statement 👇 switch (ch) { case 'E': eastern++; break; case 'W': western++; break; case 'N': northern++; break; case 'S': southern++; break; default: unknown++; break; } Explanation: Each case represents one pos...

/question/8680

Question Result 1927

jQuery 3 - Home Page

1. jQuery 3 - Home Page • Write a function login() that will redirect to home.html after clicking the login button. • Use username= "admin", and password="password". Else, show an alert message "You are not a valid user". • Make sure you use the doRedirect() f...

/question/1068

Question Result 1928

jQuery 4 Hands-on - Animations

1. jQuery 4 Hands-on - Animations In function hover1(), add slideToggle() actions to the div tags ID #item1-des. In function hover2(), add slideToggle() actions to the div tags ID #item2-des. In function animate_big(), add the animate() action to the button ID...

/question/1067

Question Result 1929

jQuery Hands-on 2 - Login Page

1. jQuery Hands-on 2 - Login Page Write a function login() that will read the username and password from the text boxes IDs #username, #password, and validate them. For username="admin" and password= "password", create an alert box "You are a valid user", or "...

/question/1069

Question Result 1930

What is a literal?

Literals are data items that are fixed data values. Java provides different types of literals like: Integer Literals Floating-Point Literals Boolean Literals Character Literals String Literals null Literal

/question/7736

Question Result 1931

Which library file of Java provides facilities for file input/output operations?

The java.io package.

/question/9029

Question Result 1932

Write a Java expression for the following: \[ \frac{\sqrt{3x + x^2}}{a + b} \]

Math.sqrt(3 * x + x * x) / (a + b) Practice with a program Here's a simple Java program that calculates the given mathematical expression: public class MathExpression { public static void main(String[] args) { // Define values for x, a, and b double x = 5; // ...

/question/8143

Question Result 1933

(i) Name the package that contains the Scanner class.(ii) Which unit of the class gets called when the object of the class is created?

(i) The package that contains the Scanner class is java.util.(ii) The constructor is called automatically when the object of the class is created.

/question/7700

Question Result 1934

(i) Write the java expression to find the product of square root of P and the square root of Q using the methods of Math class.

double result = Math.sqrt(P) * Math.sqrt(Q);

/question/8474

Question Result 1935

(ii) What is the use of the keyword import?

The import keyword is used in Java to include the classes and interfaces from other packages so that they can be used in the current program. This allows the programmer to access the standard library classes or classes from user-defined packages without needin...

/question/7667

Question Result 1936

(iii) Write the Java statement for creating an object named 'sifra' of the class 'Robot', which takes three double parameters.

Robot sifra = new Robot(3.5, 2.7, 4.8); // Example values (Replace 3.5, 2.7, 4.8 with actual values as required.)

/question/8476

Question Result 1937

(v) Consider the following Java program and determine its output: class report { int a, b; report() { a = 10; b = 15; } report(int x, int y) { a = x; b = y; } void print() { System.out.println(a * b); } public static void main(String[] args) { report r = new report(); r.print(); report p = new report(4, 5); p.print(); } }

Let's analyze the given Java program and determine its output. Code Analysis: class report { int a, b; // Default constructor report() { a = 10; b = 15; } // Parameterized constructor report(int x, int y) { a = x; b = y; } // Print method void print() { System...

/question/8478

Question Result 1938

(vii)John was asked to write a Java code to calculate the surface area of a cone. The following code was written by him: Formula: Surface area of a cone is A = πrℓ, where ℓ = √(r² + h²) class area { double area(double r, double h) { double l, a; a = 22.0/7 * r * l; l = Math.sqrt(r * r + h * h); return a; } } Task: (a) Specify the type of error in the above program.(b) Correct the program and write the error-free version.

Solution: (a) Type of Error: The error in the program is the incorrect order of operations. The variable l is used before it is initialized, which leads to an undefined variable error or logical error. variable l might not have been initialized a = 22.0/7 * r ...

/question/8480

Question Result 1939

Question: Given the following code fragment: if (a == 0) System.out.println("Zero"); if (a == 1) System.out.println("One"); if (a == 2) System.out.println("Two"); if (a == 3) System.out.println("Three"); Write an alternative code (using if) that saves on the number of comparisons.

Question: Given the following code fragment: if (a == 0) System.out.println("Zero"); if (a == 1) System.out.println("One"); if (a == 2) System.out.println("Two"); if (a == 3) System.out.println("Three"); Write an alternative code (using if) that saves on the n...

/question/8678

Question Result 1940

(a) (i) int res = 'A';What is the value of res?

Value of res is 65 which is the ASCII code of A. As res is an int variable and we are trying to assign it the character A so through implicit type conversion the ASCII code of A is assigned to res. (ii) Name the package that contains wrapper classes. Answer ja...

/question/8138

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