Java 如何将表转换为字符串?
我想将表转换为一个字符串:Java 如何将表转换为字符串?,java,android,string,Java,Android,String,我想将表转换为一个字符串: int y [] = {30, 34, 45, 57, 77, 89, 100, 111, 123, 145}; 一定是这样的东西: String y = 30, 34, 45, 57, 77, 89, 100, 111, 123, 145; Far代码: public class GraphLoading extends Activity { public static int [] y; int Test; @Override public void on
int y [] = {30, 34, 45, 57, 77, 89, 100, 111, 123, 145};
一定是这样的东西:
String y = 30, 34, 45, 57, 77, 89, 100, 111, 123, 145;
Far代码:
public class GraphLoading extends Activity {
public static int [] y;
int Test;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.loading);
int y [] = {30, 34, 45, 57, 77, 89, 100, 111, 123, 145};
}
public static int[] x = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
}
我必须转换成字符串,然后我可以保存到SD卡
请粘贴完整代码好吗?(我是业余爱好者)试试这个:
int[] a = { 1, 2, 3, 4, 5 };
String str = "";
for (int i : a) {
str += i + ",";
}
str = str.substring(0, str.length() - 1);
System.out.println(str);
String str = Arrays.toString(y);
/* Will return Array as a string as [30, 34, 45, ....]
* Now use java String library functions */
str = (str.replaceAll("}", ""));
str = (str.replaceAll("{", ""));
System.out.println(str);
代码没有经过测试,但它应该做到以下几点:
final StringBuilder builder = new StringBuilder();
String comma = "";
for (int i : y) {
builder.append(comma);
builder.append(i);
comma = ", ";
}
您可以依靠以下各项的实施: 否则,您可以在
int
数组中循环,并使用
int[] a = { 1, 2, 3, 4, 5 };
String str = "";
for (int i : a) {
str += i + ",";
}
str = str.substring(0, str.length() - 1);
System.out.println(str);
String str = Arrays.toString(y);
/* Will return Array as a string as [30, 34, 45, ....]
* Now use java String library functions */
str = (str.replaceAll("}", ""));
str = (str.replaceAll("{", ""));
System.out.println(str);
你到底是在哪里被卡住的?到目前为止你能分享你的代码吗?提示:loop and String classI正在寻找这样的答案:-)@user2908626你遇到了什么问题?