How to find the area of a triangle using C and java

USING C

#include<stdio.h>
#include<conio.h>
int main()
{
   int height,base,area;
   height=4;
   base=3;
   area=(height*base)/2;
   printf(" the area of the triangle is: %d ", area);
// %d is use of integer type variables//
   return 0;
}

USING JAVA

public static void main(String[] args)
{
  int height = 4;
  int base = 3;
  int area = (height * base)/2 ;
  System.out.println("the area of the triangle is: " + area);
}

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in both  java and c the output will be

the result is: 6

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IF WE WANT THE USER TO INPUT THE NUMBERS:

USING C

#include<stdio.h>
#include<conio.h>
int main()
{
   int x,y,z;
   printf("enter the height:");
   scanf("%d", &x);
   printf("Enter the base:");
   scanf("%d", &y);
   z=(x*y)/2;
   printf(" the area of the triangle is: %d ", z);
// %d is use of integer type variables//
   return 0;
}

USING JAVA

import java.util.Scanner;
{
 static Scanner sc= new Scanner(System.in);
        public static void main(String[] args)
       {
  int firstvalue;
  int secondvalue;
  System.out.print("Enter the height:");
  firstvalue= sc.nextInt();
  System.out.print("Enter the base:");
  secondvalue=sc.nextInt();
  int result = (firstvalue * secondvalue)/2 ;
  System.out.println("the area of the triangle is:" + result);



 }



}