package MyString;
/*
举例:
int[] arr = {1,2,3};
结果:
[1, 2, 3]
分析:
1.构造方法将数组拼接成一个字符串
2.调用方法
3.输出结果
*/
public class Stringtest01 {
public static void main(String[] args) {
int[] arr = {
1,2,3};
String s=ArrayToString(arr);
System.out.println("s:"+s);
}
public static String ArrayToString(int[] arr){
StringBuilder sb = new StringBuilder();
sb.append("[");
for (int i=0;i<arr.length;i++){
if (i == arr.length-1){
sb.append(arr[i]);
}else{
sb.append(arr[i]).append(" ,");
}
}
sb.append("]");
String s = sb.toString();
return s;
}
}
StringTest01-output an array content as a string (using String and StringBuilder conversion and Builder function append)
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Origin blog.csdn.net/m0_52646273/article/details/114871609
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