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Thanks its working now,
I should use this.



for(int i=0; i<size; i++ ) {
for(int j=0; j<size; j++){
if (i!=j)
makeFriend(userNameList.get(i),...

Hi,
I am new here and beginner for java.
I wrote a simple List program with for loop.


public class UserDemo {

List<String> userNameList = new ArrayList<String>();

public UserDemo...