Java program to create a Stack collection of objects of a class

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mahmoud2506

2022-05-07

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In this program, we will create a Complex class and then create the list of objects of the Complex class using Stack collection. Then we will add and print complex numbers.

Program/Source Code:

The source code to create a Stack collection of objects of a class is given below. The given program is compiled and executed successfully.

// Java program to create a Stack collection of 
// objects of a class

import java.util.*;

class Complex {
  int real, img;

  Complex(int r, int i) {
    real = r;
    img = i;
  }
}
public class Main {
  public static void main(String[] args) {
    int i = 0;
    Stack < Complex > stk = new Stack < Complex > ();

    stk.push(new Complex(10, 20));
    stk.push(new Complex(20, 30));
    stk.push(new Complex(30, 40));
    stk.push(new Complex(40, 50));

    System.out.println("Stack items: ");

    for (i = 0; i < 4; i++) {
      Complex C = stk.pop();
      System.out.println(C.real + " + " + C.img + "i");
    }
  }
}

Output:

Stack items: 
10 + 20i
20 + 30i
30 + 40i
40 + 50i

Explanation:

In the above program, we imported the "java.io.*" and "java.util.*" packages to use the Stack collection class. Here we created two classes Complex and Main. The complex class contains two data members real and img. And, created a constructor to initialize data members.

The Main class contains a main() method. The main() method is the entry point for the program.

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Java program to create a Stack collection of objects of a class

Java program to create a Stack collection of objects of a class

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