Intent In Android Studio

Build an intent An Intent is an object that provides runtime binding between separate components, such as two activities. The Intent represents an app’s intent to do something. You can use intents for a wide variety of tasks, but in this lesson, your intent starts another activity. In MainActivity, add the EXTRA_MESSAGE constant and the …

How to sort 2D array in Java

My code : Arrays.sort(intervals, new Comparator<int[]>(){ @Override public int compare( int[] a, int[] b ){ return a[0]==b[0] ? a[1] – b[1] : a[0] – b[0]; // return a[0], b[0] ); } }); And here is an simple way: Arrays.sort(myArr, (a, b) -> a[0] – b[0]);