JAVA中报错i cannot be resolved to a variableimport java.util.ArrayListpublic class Test5 public static void main(String[] args) ArrayList strs =new ArrayList()strs.add("ABC")strs.add("DEF")strs.add("HIJ")for(int i
for循环后面多写了个分号导致i的生命周期结束,最好for后面的内容用花括号括起来。举例：for(inti=strs.size()-1;i>=0;i--);这里多了一个分号，定义的i是局部变量，已经结束，所以就没有I这个变量了 for(inti=strs.size()-1;i>=0;i--)System.out.println(strs.get(i));去掉分号就好了...
public class demo8 { /** * @param args */ public static void main(String[] args) ...
系统提示i cannot be resolved to a variable的错误,但我打出来的程序跟答案一样啊package mukewang;import java.util.Arrays;public class HelloWorld { public static void main(String[] args) { int[] scores = {89,-23,64,91,779,52,73}; System.out.println("本次考试成绩前三名为:"); HelloWorld...
import java.util.Scanner; public class WangYang1 { public static void main(String[] args) { int classNum=3; int stuNum=4; double sum=0; double avg=0; Scanner input=new Scanner(System.in); for(int i=1;i<=classNum;i++){ System.out.println("***请输入第"+i+"个班级的成绩***"...
你的程序我帮你改好了，你看看吧，改动的地方见注释。import java.util.*;public class Yanghui{ public static void main(String[] args) { int a[][]=new int [10][10]; for(int i=0;i<10;i++){ a[i][i]=1; a[i][0]=1; } for(int i=2;i<10;i+...
一般是jar包问题或者是软件版本问题 你的jar包会不会版本过低啊？是
Overview PHP, Java and other FastCGI hosted environments should respond to an Always On ping to keep... Date: 04/28/2017 Page Loads slow and you notice certain files (js, html) seem to be extra slow downloading Symptom You notice particular files (.js, .html and more) are downloading ...
The biggest problem with TorchVision NMS is that it generates ONNX with max_output_boxes_per_class set to -Infinity or 9223372036854775807 (Maximum value of INT64), resulting in a variable number of NMS outputs from zero to infinite. Thus, by rewriting -Infinity or 9223372036854775807 (Maximum ...
It may not be installed. (MySQL) .NET pdf viewer .pdb files in production environment? 'An operation was attempted on a nonexistent network connection' error 'bootstrap' is not a valid script name. The name must end in '.js'. 'Cannot implicitly convert 'System.TimeSpan' to 'System....