data-manipulation

How can I access and process nested objects, arrays or JSON?

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I have a nested data structure containing objects and arrays. How can I extract the information, i.e. access a specific or multiple values (or keys)? For example: var data = { code: 42, items: [{ id: 1, name: ‘foo’ }, { id: 2, name: ‘bar’ }] }; How could I access the name of the … Read more

Converting String Array to an Integer Array

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You could read the entire input line from scanner, then split the line by , then you have a String[], parse each number into int[] with index one to one matching…(assuming valid input and no NumberFormatExceptions) like String line = scanner.nextLine(); String[] numberStrs = line.split(“,”); int[] numbers = new int[numberStrs.length]; for(int i = 0;i < … Read more