sort a 2d array based on one column java code example

Example 1: arrays sort 2d array java

Arrays.sort(myArr,(double[] a,double[] b)->{
                //here multiple lines of code can be placed
                return a[0]-b[0]; 
            });

Example 2: sort 2d array based on one column java

Arrays.sort(array, Comparator.comparingDouble(o -> o[0]));