public class TestStuff20170124
1: //TestStuff20170124.java
2:
3:
4: public class TestStuff20170124
5: {
6: public static void main(String[] args)
7: {
8: int[] intArray = new int[6]; //An int array with nothing in it
9: for (int i=0; i<6; i++) //Put some values into the array
10: intArray[i] = 2 * i;
11: for (int i=0; i<6; i++) //Show that they're in there
12: System.out.print(intArray[i] + " ");
13: System.out.println();
14: for (int i=0; i<intArray.length; i++) //Another way to them
15: System.out.print(intArray[i] + " ");
16: System.out.println();
17: for (int value : intArray) //And yet one more way to show them
18: System.out.print(value + " ");
19: System.out.println();
20:
21: //Initialize an array at the time of declaration, and then
22: //using a loop to "process" the values in some way
23: System.out.println("----------");
24: String[] stringArray = {"one", "two", "three", "four", "five"};
25: for (String s : stringArray)
26: System.out.println(s.toUpperCase());
27:
28: if (args.length != 0)
29: {
30: for (String s : args)
31: System.out.println(s);
32: double sum = 0;
33: for (String s : args)
34: sum += Double.parseDouble(s);
35: System.out.println(sum);
36: /*
37: */
38: }
39:
40: System.out.println("----------");
41: int[][] twoDim1 = new int[2][3];
42: for (int row=0; row<2; row++)
43: for (int col=0; col<3; col++)
44: twoDim1[row][col] = row + col;
45: for (int row=0; row<2; row++)
46: {
47: for (int col=0; col<3; col++)
48: System.out.print(twoDim1[row][col] + " ");
49: System.out.println();
50: }
51:
52: System.out.println("----------");
53: int[][] twoDim2 =
54: {
55: {1, 2, 3},
56: {4, 5, 6, 7},
57: {8, 9}
58: };
59: for (int row=0; row<twoDim2.length; row++)
60: {
61: for (int col=0; col<twoDim2[row].length; col++)
62: System.out.print(twoDim2[row][col] + " ");
63: System.out.println();
64: }
65: }
66: }