public static void main(String args[]){
try{
String line;
String[] a;
int i=0;
FileReader fr=new FileReader("C:\\cc.txt");
BufferedReader br=new BufferedReader(fr);
try{
while(br.ready()){
line=br.readLine();
String[] li=line.split("\\s+");
a[i]=li[2];
}
}finally{
fr.close();
}
}catch(IOException e){
System.out.println();
}
}在a[i]=li[2];有错误提示:the local variable a may not have been
try{
String line;
String[] a;
int i=0;
FileReader fr=new FileReader("C:\\cc.txt");
BufferedReader br=new BufferedReader(fr);
try{
while(br.ready()){
line=br.readLine();
String[] li=line.split("\\s+");
a[i]=li[2];
}
}finally{
fr.close();
}
}catch(IOException e){
System.out.println();
}
}在a[i]=li[2];有错误提示:the local variable a may not have been
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