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Test14.java
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24 lines (23 loc) · 999 Bytes
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public class Test14 {
public static void main(String[] args) {
//while do..while for
// int[] nums = new int[]{33,2,1,2,455};
// for(int i=0;i<nums.length;i++){
//// System.out.println(nums[i]);
//// }
//for(元素类型 变量名 : 数组) ,变量名 相当于 nums[i]
// for(int x : nums){
// System.out.println(x);
// }
// int[] nums = new int[]{33,2,1,2,455};
// 数据类型[] 变量名 = new 数据类型[]{...}
String[] names = new String[]{"abc", "aaa", "bbb"};
for (String name : names) {
System.out.println(name);
}
long n = 13; //long = int
//形式上： 数据类型[] 变量名 = new 数据类型[]{...}
long[] nums = new long[]{(byte) 33, 2, 1, 2, 455};//兼容 long< float
// =左右两侧 的类型必须一致，但是 数据值 只要需要兼容（类型本身 或范围比其小的类型）即可。
}
}