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× C# Examples


Three numbers x, y and z are given and the largest number among these three numbers can be found out using below methods:

Example: Using If statement

In the below example, only if conditional statements are used.

using System;

class MyProgram {
  static void largest(int x, int y, int z) {
    int max = x;
    if (x >= y && x >= z)
      {max = x;}
    if (y >= x && y >= z)
      {max = y;}
    if (z >= x && z >= y)
      {max = z;}
    Console.WriteLine("largest number among {0}, {1} and {2} is: {3}", x, y, z, max);
  }  

  static void Main(string[] args) {
    largest(100, 50, 25);
    largest(50, 50, 25);
  }
}

The above code will give the following output:

largest number among 100 , 50 and 25 is:  100
largest number among 50 , 50 and 25 is:  50

Example: Using If-else statement

It can also be solved using If-else conditional statements.

using System;

class MyProgram {
  static void largest(int x, int y, int z) {
    int max = x;
    if (x >= y && x >= z)
      {max = x;}
    else if (y >= x && y >= z)
      {max = y;}
    else 
      {max = z;}
    Console.WriteLine("largest number among {0}, {1} and {2} is: {3}", x, y, z, max);
  }  

  static void Main(string[] args) {
    largest(100, 50, 25);
    largest(50, 50, 25);
  }
}

The above code will give the following output:

largest number among 100 , 50 and 25 is:  100
largest number among 50 , 50 and 25 is:  50

Example: Using Nested If-else statement

The above problem can also be solved using nested if-else conditional statements.

using System;

class MyProgram {
  static void largest(int x, int y, int z) {
    int max = x;
    if (x >= y)
      {
        if(x >= z) 
          {max = x;}
        else
          {max = z;}
      }
    else
      {
        if(y >= z) 
          {max = y;}
        else
          {max = z;}
      }
    Console.WriteLine("largest number among {0}, {1} and {2} is: {3}", x, y, z, max);
  }  

  static void Main(string[] args) {
    largest(100, 50, 25);
    largest(50, 50, 25);
  }
}

The above code will give the following output:

largest number among 100 , 50 and 25 is:  100
largest number among 50 , 50 and 25 is:  50

Example: Using ternary operator

The ternary operator can also be used here.

using System;

class MyProgram {
  static void largest(int x, int y, int z) {
    int max = x;
    max = (x > y)? ((x > z)? x : z) : ((y > z)? y : z);
    Console.WriteLine("largest number among {0}, {1} and {2} is: {3}", x, y, z, max);
  }  

  static void Main(string[] args) {
    largest(100, 50, 25);
    largest(50, 50, 25);
  }
}

The above code will give the following output:

largest number among 100 , 50 and 25 is:  100
largest number among 50 , 50 and 25 is:  50



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