Java

i

j

	public static void main(String[] args){
	    int a[]={4,2,7};
	     
	    
	    for(int i=0; i< a.length ;i++) { // here i =0 then a[0]=4
	    
	        for(int j=i; j< a.length ;j++) { // here also j=i since i=0 then j=0 too,  a[0]= 4
	        
	        	if (a[i]>a[j]){ // when a[i] will be > than a[j]
	        		
	        	System.out.print("condition is match "); 
	        		
	        	}

	        }
	    }
}

i start with 0 
     j start with 0 
     j became 1 
     j became 2

i became 1 
   
     j start with 1 
     j became 2 
     

i became 2 
   
     j start with 2 
     

I got confuse ,