package FirstJava;
 
public class array {
    public static void main(String[] args) {

        //1.先声明，再分配空间
        int [] nums;

        nums = new int[5];

        //2.声明并分配空间

        int [] a = new int[5];

        //3.声明并赋值

        int [] numbers = new int[]{1,2,3,4,5,6,7,8,9,10};

        int [] b = {1,2,3,4};
        //不建议这样写

    }
}