java数组

public class arr{
    int []arr;
    public arr(int a) {
        this.arr = new int[10];
        for(int x= 0;x<a;x++) {
            arr[x]=x+2;
        }
    }

        
    public static void main (String []args){
        arr1 myarr =new arr1(10);
        for(int x:myarr.arr) {
            
            System.out.print(x);
            
        }
        
        
    }
        
        
    }