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Join Date: Aug 2004
Location: sheffield
Posts: 1
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Newbie Poster
Any chance of a little help? The following code will not compile n i'm a little stuck as to why -
public class Question8{
static final int ROW_SIZE = 10;
static final int COL_SIZE;
public static void main(String[] args){
COL_SIZE = 10;
ROW_SIZE = ROW_SIZE + 10;
}
}
public class Question8{
static final int ROW_SIZE = 10;
static final int COL_SIZE;
public static void main(String[] args){
COL_SIZE = 10;
ROW_SIZE = ROW_SIZE + 10;
}
}
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Join Date: Aug 2004
Posts: 4
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Newbie Poster
I'm not sure. I was able to compile without any errors.
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Join Date: Jul 2004
Location: Pakistan
Posts: 1,673
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Rep Power: 8
Solved Threads: 50
static final int ROW_SIZE = 10;
static final int COL_SIZE;
You are declaring ROW_SIZE AND COL_SIZE as final ....
when a variable is declared as final ... its value cant be changed at any stage of the program. And you are changing the values of both .. so it wont compile.
static final int COL_SIZE;
You are declaring ROW_SIZE AND COL_SIZE as final ....
when a variable is declared as final ... its value cant be changed at any stage of the program. And you are changing the values of both .. so it wont compile.
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Join Date: Aug 2004
Posts: 4
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Newbie Poster
yeah . . .
what nanosani said. When you declare a variable as a final, that variable cannot be changed - ever (well until the garbage collector comes to get it).
You must give a value to a final variable when you declare it. Otherwise, you cannot re-assign it later.
what nanosani said. When you declare a variable as a final, that variable cannot be changed - ever (well until the garbage collector comes to get it).
You must give a value to a final variable when you declare it. Otherwise, you cannot re-assign it later.
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