How to calculate CGPA in Java using array

Java CGPA Calculate Program Code
Today our topic is How to calculate CGPA in Java.
Firstly understand this logic
Let, A university student have 8 semesters.

So A student got,
First Semester       GPA 3.08 and its credit 15,
Second Semester  GPA 3.85 and its credit 13,
Third Semester      GPA 3.77 and its credit 15,
Fourth Semester   GPA 3.45 and its credit 12,
Fifth Semester       GPA 3.44 and its credit 13,
Sixth Semester     GPA 3.57 and its credit 12,
SeventhSemester GPA 4.00 and its credit 12, and
Eighth Semester   GPA 2.08 and its credit 15
_______________________________________________
                Total credit Σ= 107                

CGPA=Σ(GPA*Credit)/Σ(Credit)
CGPA=((3.08*15)+(3.85*13)+(3.77*15)+(3.45*12)+(3.57*13)+(4.00*12)+(3.08*12)+(2.08*15))/107
=360.96/107
=3.373
(lessthen= < )
Java CGPA Calculate Program Code Using User Input

import java.util.Scanner;
public class JavaApplication22 {
   
    public static void main(String[] args) {   
        
      
       Scanner fun=new Scanner (System.in);
       System.out.println("How many semster");

        int x= fun.nextInt();     
        
        double y[]= new double[x];
        double z[]=new double[x];
        
        double num=0,sum=0,cgpa;          
        
        for(int i=0; i(lessthen)x; i++)
        {       
          
           System.out.println(i+1+"st semister GPA = ");
           y[i]= fun.nextDouble(); 
           System.out.println(i+1+"st semister Credit = ");
           z[i]= fun.nextDouble();
        }               
            
        for(int i=0; i(lessthen)x; i++)
        {
            num+=y[i]*z[i];
        }     
      
     for(int i=0; i(lessthen)x; i++)
        {
            sum+=z[i];
        }
     cgpa=num/sum;
     System.out.println(cgpa);                  
      
    }
    
}

Java CGPA Calculate Program Code Using User Input

    public static void main(String[] args) {
        
        
        int x=4;
        double y[]= new double[x];
        double z[]=new double[x];
        double num=0,sum=0,cgpa;
        y[0]=3.27; y[1]=3.08; y[2]=2.70; y[3]=3.16; 
        z[0]=15; z[1]=15; z[2]=20; z[3]=20;              
        
        for(int i=0; i(lessthen)x; i++)
        {
            num+=y[i]*z[i];
        }
      System.out.println(num);  
      
     for(int i=0; i(lessthen)x; i++)
        {
            sum+=z[i];
        }
     cgpa=num/sum;
     System.out.println(cgpa);     
                    
      
    }

How to calculate CGPA in Java using array
java program cgpa calculate source code using array with logic
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