Why the last condition is not satisfying.
package com.codegym.task.task08.task0830;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
Task about algorithms
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String[] array = new String[20];
for (int i = 0; i < array.length; i++) {
array[i] = reader.readLine();
}
sort(array);
for (String x : array) {
System.out.println(x);
}
}
public static void sort(String[] array) {
for(int i = 1 ; i<array.length ; i++){
for(int j=0 ; j<((array.length)-i) ; j++){
if(isGreaterThan(array[j].toLowerCase(),array[j+1].toLowerCase())){
String tmp = array[j];
array[j]=array[j+1];
array[j+1] = tmp;
}
}
}
}
// String comparison method: 'a' is greater than 'b'
public static boolean isGreaterThan(String a, String b) {
return a.compareTo(b) > 0;
}
}