Basic_Structure, Java

Basic_Structure

//'main' method must be in a class 'Rextester'.
//openjdk version '11.0.5' 
import java.io.*;
import java.util.*;
import java.lang.*;

class Rextester
{  
    public static void main(String args[]) throws IOException
    {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        //Input for no. of test cases
        int t = Integer.parseInt(br.readLine());
        // WHILE loop for no. of test cases...
        while(t-->0){
            
            /* For input Type
                5            -> n
                1 2 3 4 5    -> n space separated input, for this we use array along with string tokenizer to eliminate space and inputs...
            */
            int n = Integer.parseInt(br.readLine());
            // Declaration of array
            int[] arr = new int[n];
            // Declaration of StringTokenizer to tackle space separated inputs by the user...
            StringTokenizer st = new StringTokenizer(br.readLine());
            // Loop for take input in the array
            for(int i=0;i<n;i++){
                arr[i] = Integer.parseInt(st.nextToken());
            }
            
            //Dynamic Array with no required size...if needed
            List<Integer> li = new ArrayList<Integer>();
            
            /*............CODE............*/
            
            // Output should be printed here for every test case within while loop
            System.out.println();
            
        }//End of While loop
        
    }//End of main
    
}//End of class


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