```java
1: package nnloops;
2:
3: import java.util.Scanner;
4:
5: public class NNLoops {
6:
7: NNLoops()
8: {
9: //oneToTen();
10: //oddNumbers();
11: //squareNumbers();
12: //random4();
13: //even(20);
14: //powers(8);
15: //areWeThereYet();
16: //triangle();
17: //tableSquare();
18: tableSquares(6);
19:
20: }
21:
22: void oneToTen()
23: {
24: for(int i=1; i <11; i++)
25: {
26: System.out.println(i);
27: }
28: }
29:
30: void oddNumbers()
31: {
32: for (int i=1; i<20; i+=2)
33: {
34: System.out.println(i);
35: }
36: }
37:
38: void squareNumbers()
39: {
40: for (int i=1; i<11; i++)
41: {
42: System.out.println(i\*i);
43: }
44: }
45:
46: void random4()
47: {
48: for (int i=0; i<4; i++)
49: {
50: System.out.println((int)(Math.random()\*10)+1);
51: }
52: }
53:
54: void even(int n)
55: {
56: for (int i=1; i<n; i+=2)
57: {
58: System.out.println(i);
59: }
60: }
61:
62: void powers (int n)
63: {
64: for (int i =1; i<=n; i++)
65: {
66: System.out.println(Math.pow(2, i));
67: }
68: }
69:
70: void areWeThereYet()
71: {
72: Scanner scan = new Scanner(System.in);
73: do
74: {
75: System.out.println("Are we there yet?");
76: } while(!scan.nextLine().equals("Yes"));
77: System.out.println("Good!");
78: }
79:
80: void triangle()
81: {
82: for(int i = 0; i<6; i++)
83: {
84: for (int j= 0; j<i; j++)
85: {
86: System.out.print("\*");
87: }
88: System.out.println("");
89: }
90: }
91:
92: void tableSquare()
93: {
94: for(int i = 1; i<=4; i++)
95: {
96: for (int j=1; j<=4; j++)
97: {
98: System.out.print("|"+ i\*j +"\\t");
99: }
100: System.out.println("|");
101:
102: }
103: }
104:
105: void tableSquares(int n)
106: {
107: for(int i = 1; i<=n; i++)
108: {
109: for (int j=1; j<=n; j++)
110: {
111: System.out.print("|"+ i\*j +"\\t");
112: }
113: System.out.println("|");
114:
115: }
116: }
117:
118:
119: public static void main(String\[\] args) {
120: new NNLoops();
121: }
122: }
```