java学习笔记（七）：for循环

java的for循环和c++的for循环类似

1 public class Test {
2    public static void main(String args[]) {
3       for(int x = 10; x < 20; x = x+1) {
4          System.out.print("value of x : " + x );
5          System.out.print("
");
6       }
7    }
8 }

运行输出：

value of x : 10
value of x : 11
value of x : 12
value of x : 13
value of x : 14
value of x : 15
value of x : 16
value of x : 17
value of x : 18
value of x : 19

Java 引入了一种主要用于数组的增强型 for 循环。

 1 public class Puppy{
 2     public static void main(String[] args){
 3         int[] Nums = {10,20,30,40,50,60};
 4         for(int x : Nums){
 5             System.out.print(x);
 6             System.out.print(",");
 7         }
 8 
 9         System.out.println();
10         String[] Names = {"Jacky","Tom","Lily"};
11         for(String name : Names){
12             System.out.print(name);
13             System.out.print(',');
14         }
15     }
16 }

运行输出：

10,20,30,40,50,60,
Jacky,Tom,Lily,