Java Programming Practical 7 Question 1 Write a program to implement different types of constructors to perform addition of complex numbers. ComplexDemo.java Java class Complex { float real; float img; public Complex() { real = 0.0f; img = 0.0f; } public Complex(float r) { real = r; img = 0.0f; } public Complex(float r, float
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Java Programming Practical 6 Question 1 Write a program to show the use of Integer Wrapper class methods. IntegerWrapperDemo.java Java public class IntegerWrapperDemo { public static void main(String[] args) { String str = "123"; int num = Integer.parseInt(str); System.out.println("String to number: " + num); int val = 546; System.out.println("Binary number: " + Integer.toBinaryString(val)); System.out.println("Octal number:
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Java Programming Practical 5 Question 1 Write a program to implement multidimensional array. ArrayDemo.java Java // Java Program for Creating two // Dimensional array with user Inputs import java.util.Scanner; public class ArrayDemo { public static void main(String[] args) { Scanner scn = new Scanner(System.in); System.out.print("Enter number of rows: "); int row = scn.nextInt(); System.out.print("Enter number
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Java Programming Practical 4 Question 1 Write a program to show the use of all methods of String class. StringDemo.java Java import java.io.*; import java.util.*; class StringDemo { public static void main (String[] args) { String s= "String Methods Example"; System.out.println("String length = " + s.length()); System.out.println("Character at 3rd position = "+ s.charAt(3)); System.out.println("Substring "
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Java Programming Practical 3 Question 1 Write a program to check multiple conditions using if statement along with logical operators. ConditionDemo.java Java class ConditionDemo { public static void main(String[] args) { int age = 10; boolean hasLicense = true; if (age >= 18 && hasLicense) { System.out.println("You are eligible to drive."); } else { System.out.println("You
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Object Oriented Programming Practical 26 Question 1 Write a C++ program to copy entire content of one binary file at a time to another file using read () and write () binary.cpp C #include <iostream> #include <fstream> using namespace std; int main() { ifstream inFile; ofstream outFile; inFile.open("input.bin", ios::binary); if (!inFile) { cout << "Error:
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Object Oriented Programming Practical 25 Question 1 Write a C++ Program to Copy the Contents of One File Into Another File. copy.cpp C #include<iostream> #include<fstream> using namespace std; int main() { std::ifstream inFile; std::ofstream outFile; inFile.open("abc.txt"); if (!inFile) { std::cout << "Error: Unable to open input file!" << endl; return 1; } outFile.open("xyz.txt"); if (!outFile)
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Object Oriented Programming Practical 24 Question 1 Write a C++ program to Read Content From One File and Write it Into Another File. addcontent.cpp C #include<fstream.h> #include<conio.h> void main() { clrscr(); char c; ifstream fin; ofstream fout; fin.open("abc.txt"); fout.open("xyz.txt",ios::ate); char ch; while(!fin.eof()) { fin.get(ch); if(fin.eof()) break; fout << ch; } fin.close(); fout.close(); cout<<"nFile content added
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Object Oriented Programming Practical 23 Question 1 Write a C++ program to Read and Display File’s Content. read.cpp C #include<fstream.h> #include<conio.h> void main() { clrscr(); char c; ifstream fin; fin.open("abc.txt"); char a; while(fin) { fin.get(a); cout << a; } fin.close(); getch(); } #include<fstream.h> #include<conio.h> void main() { clrscr(); char c; ifstream fin; fin.open("abc.txt"); char a;
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Object Oriented Programming Practical 22 Question 1 Write a program which show the use of Abstract class. abstract.cpp C #include<iostream.h> #include<conio.h> class Shape { public: virtual void draw() = 0; }; class Circle : public Shape { public: void draw() { cout << "Drawing Circle" << endl; } }; class Rectangle : public Shape {
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