Programming in Java - Array Homework Answers
int i; int[] nums = new int[40]; for (i = 0 ; i < 40 ; i++) nums[i] = i+1; for (i = 0 ; i < 40 ; i++) { nums[i] += 10; stdout.println(nums[i]); }
public static void printStrings(String[] arr) { for (int i = 0 ; i < arr.length && arr[i] != null ; i++) stdout.println(arr[i]); }
String[] words = new String[10]; words[0] = "first"; words[1] = "second"; words[2] = "third"; words[3] = "fourth"; words[4] = "fifth"; printStrings(words);
Time[] when = new Time[3]; when[0] = new Time(10,30,0,"AM"); when[1] = new Time(11,30,0,"PM"); when[2] = new Time(3,20,0,"PM"); for (i = 0 ; i < when.length ; i++) stdout.println("when[" + i + "] = " + when[i]);
int[][] table = new int[10][20];
stdout.println("table has " + table.length + " rows");
stdout.println("table has " + table[0].length + " columns");
public static void setRow(int[][] table, int val, int row) { for (int i = 0 ; i < table[row].length ; i++) table[row][i] = val; }
// this code also prints out the array int matrix[][] = new int[100][50]; for (i = 0 ; i < matrix.length ; i++) { setRow(matrix,100,i); for (int j = 0 ; j < matrix[0].length ; j++) stdout.print(matrix[i][j] + " "); stdout.println(); }
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