Repository navigation
Expand file tree
/
Copy pathCyclesTheme.java
More file actions
179 lines (169 loc) · 5.18 KB
/
Copy pathCyclesTheme.java
File metadata and controls
179 lines (169 loc) · 5.18 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
public class CyclesTheme{
public static void main(String[] args) {
System.out.println("\n1. Even and odd numbers count");
int count;
count = -10;
int even = 0;
int odd = 0;
do {
count = count + 1;
if(count % 2 == 0){
even++;
} else {
odd++;
}
} while(count < 20);
System.out.println("There are " + even + " even numbers and " + odd + " odd numbers in the [-10, 21] interval.");
System.out.println("\n2. Display numbers in an interval in descending order");
int num;
num = 10;
System.out.println("Numbers are:\n" + num);
for(int i = 5; num > -1; i++){
num = num - i;
System.out.println(num);
}
System.out.println("\n3. Display number`s digits reversed and summed");
num = 1234;
int sum;
sum = 0;
System.out.println("reversed numbers are: ");
while (num > 0) {
int interim = num / 10;
int digit = num - interim * 10;
sum = sum + digit;
num = interim;
System.out.println(digit);
}
System.out.println("Sum of digit equals: " + sum);
System.out.println("\n4. Display digits in several lines");
count = 0;
int zero = 0;
for(int i = 1; i < 24; i = i + 2){
System.out.printf("%5d", i);
count++;
if(count % 5 == 0){
System.out.println("");
} else if(i >= 23){
while (count % 5 != 0) {
System.out.printf("%5d", zero);
count++;
}
}
}
System.out.println("\n\n5. Check parity of last digit in a number");
num = 3141591;
while (num == 3141591) {
int interim = num / 10;
int digit;
digit = num - interim*10;
if(digit % 2 == 0){
System.out.println(num + " contains even number of ones");
} else{
System.out.println(num + " contains odd number of ones");
}
num--;
}
System.out.println("\n6. Draw figures in console");
char dollar = 36;
char asterisk = 42;
char sharp = 35;
count = 0;
for(int i = 1; i <= 50; i++){
System.out.print(asterisk);
count++;
if(count % 10 == 0){
System.out.println("");
} else {
System.out.print("");
}
}
while (count > 35){
count--;
System.out.print(sharp);
if (count == 45 || count == 41 || count == 38 || count == 36 || count == 35) {
System.out.println("");
} else {
System.out.print("");
}
}
do {
System.out.print(dollar);
count--;
if (count == 34 || count == 32|| count == 29 || count == 27 || count == 26) {
System.out.println("");
} else {
System.out.print("");
}
} while(count > 26);
System.out.println("\n7. Print ASCII symbols in console");
String header1 = "Dec";
String header2 = "Char";
System.out.printf("%5s %5s %n", header1, header2);
char xXx = 0;
for(int i = 0; i < 123; i++){
xXx++;
if((int)xXx % 2 == 0 & (int)xXx > 96){
System.out.printf("%5s %5s %n",(int)xXx, xXx);;
} else if((int)xXx % 2 != 0 & (int)xXx < 48){
System.out.printf("%5s %5s %n",(int)xXx, xXx);
}
}
System.out.println("\n8. Check if number is a palindrome");
num = 1234321;
sum = 0;
int remainder = 0;
int temp;
temp = num;
while (num >= 1) {
remainder = num % 10;
sum = (sum*10) + remainder;
num = num / 10;
if(temp == sum){
System.out.println(sum + " is a palindrome");
} else {
System.out.print("");
}
}
System.out.println("\n9. Check whether number is lucky");
num = 123321;
int sumFirst = 0;
int sumSecond = 0;
int counter = 0;
String number = String.valueOf(num);
for (int i = 0; i < number.length(); i++) {
int j = Character.digit(number.charAt(i), 10);
Math.pow(j, 2);
System.out.print(j);
counter++;
if(counter < 4){
sumFirst = sumFirst + j;
} else {
sumSecond = sumSecond + j;
}
if(counter == 3){
System.out.println(" sum equals " + sumFirst);
} else if (counter == 6){
System.out.println(" sum equals " + sumSecond);
}
}
if(sumFirst == sumSecond){
System.out.println("number is lucky");
} else {
System.out.println("number isn`t lucky");
}
System.out.println("\n10. Pythagorean multiplication table");
System.out.print(" | ");
for(count = 2; count <= 9; count++){
System.out.printf("%4d", count);
}
System.out.println("");
System.out.println("------------------------------------");
for (count = 2; count <= 9; ++count) {
System.out.print(count + " | ");
for (num = 2; num <= 9; ++num) {
System.out.printf("%4d", (count*num));
}
System.out.println();
}
}
}