java sort by method code example
Example 1: java sort method
Arrays.sort();//this method is an inbuild function in java
//to sort the array
Example 2: java array sort by element
//sort array of array of integer by the second element;
int[][] array = new int[m][2];
//initialize array
Arrays.sort(array, (a,b)-> Integer.compare(a[1], b[1]));