/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int[] array= {3, 9, 2};
		intsertionSort(array);
	}
	public static void intsertionSort(int[] arr){
		for (int i=1; i<arr.length;i++){
			int valueToInsert =arr[i];
			int j;
			//below this is error point in your code
			for(j=i-1;j>=0 && valueToInsert <arr[j];j--)
				arr[j+1]=arr[j];
			arr[j+1]=valueToInsert;
		}
		//used for testing the function
		for(int a:arr){
			System.out.println(a);
		}
	}
}

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