During an exercice of 2D arrays where first of all we put numbers as a strings in the array like that. And OK there is no problem, everything ok.
String [][] a = {
{ "0345" , "345" , "041" , "41" },
{ "0344" , "344" , "030" , "30" },
{ "0333" , "333" , "031" , "31" },
{ "0346" , "346" , "045" , "45" },
{ "0101" , "101" , "021" , "21" },
{ "0455" , "455" , "037" , "37" },
{ "0100" , "100" , "040" , "40" },
};
for (int i = 0; i < c.length; ++i) {
for(int j = 0; j < c[i].length; ++j) {
System.out.print("|"+c[i][j]+"|");
}
System.out.println(" ");
So the out put it will show as these.
|0345||345||041||41|
|0344||344||030||30|
|0333||333||031||31|
|0346||346||045||45|
|0101||101||021||21|
|0455||455||037||37|
|0100||100||040||40|
But when I did the same but changing the String for int, by mistake I foget to remove the 0 infront of the numbers. So here is the code.
int [][] b = {
{ 0345 , 345 , 041 , 41 },
{ 0344 , 344 , 030 , 30 },
{ 0333 , 333 , 031 , 31 },
{ 0346 , 346 , 045 , 45 },
{ 0101 , 101 , 021 , 21 },
{ 0455 , 455 , 037 , 37 },
{ 0100 , 100 , 040 , 40 },
};
for (int i = 0; i < b.length; ++i) {
for(int j = 0; j < b[i].length; ++j) {
System.out.print("|"+b[i][j]+"|");
}
System.out.println(" ");
}
And the output it's something I didn't expect.
|229||345||33||41|
|228||344||24||30|
|219||333||25||31|
|230||346||37||45|
|65||101||17||21|
|301||455||31||37|
|64||100||32||40|
So the thing is where I put 0345 the output it's 229 and so on.
When I saw that, try in to figure out, I put all numbers in order from 0 to 19 by mean so in one line 0 in the other 00 so on util 019. But for another reason I don't know all number with 08 - 09 - 018 - 019 doesn't work.
Here is the code of what I'm saying.
int[][] c = {
{ 010 , 10 , 00 , 0 },
{ 011 , 11 , 01 , 1 },
{ 012 , 12 , 02 , 2 },
{ 013 , 13 , 03 , 3 },
{ 014 , 14 , 04 , 4 },
{ 015 , 15 , 05 , 5 },
{ 016 , 16 , 06 , 6 },
{ 017 , 17 , 07 , 7 },
};
for (int i = 0; i < c.length; ++i) {
for(int j = 0; j < c[i].length; ++j) {
System.out.print("|"+c[i][j]+"|");
}
System.out.println(" ");
And here is the output.
|8||10||0||0|
|9||11||1||1|
|10||12||2||2|
|11||13||3||3|
|12||14||4||4|
|13||15||5||5|
|14||16||6||6|
|15||17||7||7|
So when you check the output, you realize that because of the error on the 08 - 09 (error or something I don't know) the 010 it's becaming 8.
Why is happening that ? There is an explanation for sure.
