package practice;
public class ArrrayParser {
public static void main(String args []){
String s="1,2;3,4,5;6,7,8";
double[][]d;
String[] sFirst=s.split(";");
d=new double[sFirst.length][];
for(int i=0;i<=sFirst.length;i++){
String[] sSecond=sFirst[i].split(",");
d[i]=new double[sSecond.length];
for(int j=0;j<=sSecond.length;j++){
d[i][j]=Double.parseDouble(sSecond[j]);
}
}
for(int i=0;i<=d.length;i++){
for(int j=0;j<=d[i].length;j++){
System.out.print(d[i][j]+" ");
}
System.out.println();
}
}
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2
at practice.ArrrayParser.main(ArrrayParser.java:13)
这是为何?如何解决？
d=new double[sFirst.length][];
你确定这样通过了编译？
你确定最后没有少一个大括号？
package practice;
public class ArrrayParser {
public static void main(String args[]) {
String s = "1,2;3,4,5;6,7,8";
double[][] d;
String[] sFirst = s.split(";");
d = new double[sFirst.length][];
for (int i = 0; i < sFirst.length; i++) {
String[] sSecond = sFirst[i].split(",");
d[i] = new double[sSecond.length];
for (int j = 0; j < sSecond.length; j++) {
d[i][j] = Double.parseDouble(sSecond[j]);
}
}
for (int i = 0; i < d.length; i++) {
for (int j = 0; j < d[i].length; j++) {
System.out.print(d[i][j] + " ");
}
System.out.println();
}
}
}