範例
public
class
ClassA {
private
String a;
private
Statement s;
public void
methodA {
try
{
s.execute(a, 3);
}
catch
( Error e ) {
//...
}
}
}
解決方案
將 'a' 宣告為 final。
public
class
ClassA {
private final
String a;
private
Statement s;
public void
methodA {
try
{
s.execute(a, 3);
}
catch
( Error e ) {
//...
}
}
}