String Sort Problem ----

#1

What is error in my code--------------
import java.util.*;
public class Main {
public static void main(String args[]) {
Scanner cin = new Scanner(System.in);
int n = cin.nextInt();
String arr[] = new String[n];
for(int i = 0;i<arr.length;i++){
arr[i] = cin.nextLine();
}
for(int i =0;i<arr.length;i++){
for(int j = i+1;j<arr.length-1;i++){
if(arr[i].compareTo(arr[j])>0){
String temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
}
for(String s: arr){
System.out.println(s);
}
}
}

#2 
import java.util.*;
public class Main {
	public static void main(String args[]) {
		Scanner cin = new Scanner(System.in);
		int n = cin.nextInt();
		String arr[] = new String[n];
		
		for(int i = 0;i<arr.length;i++){
			arr[i] = cin.next();//while taking integer and string as input you should use next() instead of nextLine()
		}

		
		

		for(int i =0;i<arr.length;i++){
			for(int j = i+1;j<arr.length-1;j++){//here the condition in for loop should be j++
				if(arr[i].compareTo(arr[j])>0){//you need to write your own compare function
					String temp = arr[i];
					arr[i] = arr[j];
					arr[j] = temp;
				}
			}
		}

		for(String s: arr){
			System.out.println(s);
		}

	}
}
#3

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