数组:将数组{1,2,3,4,5}转为“[1,2,3,4,5]”

/*
 将数组{1,2,3,4,5}转为“[1,2,3,4,5]”
*/
public class Demo3{
    public static void main(String [] args){
        int [] number={1,2,3,4,5};
        arr(number);
        System.out.println("------------------------------------------------");
        //String s=arrs(number);
        //System.out.println(s);
        System.out.println(arrs(number));
    }
    public static void arr(int [] arry){
        System.out.print("[");
        for(int i=0;i<arry.length;i++){
            if(i==arry.length-1){
                System.out.print(arry[i]+"]");
            }else
          System.out.print(arry[i]+",");
        }
        System.out.println();
    }
    public static String arrs(int [] arry){
        String mun="[";
        for(int i=0;i<arry.length;i++){
            if(i==arry.length-1){
                mun=mun+arry[i]+"]";
            }else{
                mun=mun+arry[i]+",";
            }
        }
        return mun;
  }
}

这里写图片描述

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转载自blog.csdn.net/weixin_43117449/article/details/82501728