Insertion Sort in Java

package code.example.basic;
public class InsertationSortExample {
    
    public static void main(String args[]){
        int ar[]={4,5,6,7,3,4,2};
        
        for(int i=1;i<ar.length;i++){
            for(int j=0;j<=i;j++){
                if(ar[j]>ar[i]){
                    ar[j]= ar[j]+ar[i]-(ar[i]=ar[j]);
                }
            }
            for(int k=0;k<ar.length;k++){
                System.out.print(ar[k]);
            }
            System.out.println("-");
        }
        for(int i=0;i<ar.length;i++){
            System.out.println(ar[i]);
        }
    }
}