package com.wuming.struct;
public class ForDemo01 {
public static void main(String[] args) {
int a=1;//初始化条件
while(a<=100){//条件判断
System.out.println(a);//循环体
a+=2;//迭代
}
System.out.println("while循环结束");
//初始化//条件判断//迭代
for (int i=1;i<=100;i+=2){
System.out.println(i);
}
System.out.println("for结束");
//快捷键 100.for
/* for (int i = 0; i < 100; i++) {
}*/
//可以把初始化放外面
int j=0;
for (;j<10; j++){
System.out.println(j);
}
System.out.println("================kk");
//三者都么有,死循环,控制台左边stop方块一只红色
for ( ; ; ){
}
}
}
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99
while循环结束
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99
for结束
0
1
2
3
4
5
6
7
8
9
================kk