Reading file data into an array in JAVA JAVA by Ravinder Nath Rajotiya - April 18, 20210 Reading Numeric data from file into an array In this post we look out how we can integer read data from a file into an array. For this we need the following steps. Step-1: Create an array to store data read from file Step-2: create file object of class file and connect to file Step-3: Check if the file exist Step-4: Create object of Scanner class and make connection to input file using file object Step-5: Check if the current line has data in it using hasNext() Step-6: read from the line and set the pointer to begining of next line using object.nextLine() Step-7: close file when done Step-8: Display / process data read from the file Example reading from a file into an array package com.example; import java.io.IOException; public class arrays { public static
Arrays in JAVA JAVA by Ravinder Nath Rajotiya - April 17, 20210 arrays IN java An array is a container object that holds fixed number of values of single type. An array is used to store collection of data of same type. A link to an array is established after an array is created after creation the link is fixed. Syntax: int X []; or int []X; both mean the same int []numbers =new int[10]; // declare numbers as an array that can store 10 elements, and then assign values of same types at index values 0,1,2,3.... as: int number[0]=5; int number[1]= 10; int number[2]=15;...and so on position or index for array are from 0,1,2... up till 9, making size of array as 10. So we cannot write the value at index 10 because that