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I cant figure out 2d Arrays.... [Help]
Author Summary
xjboix is
in
help
Post Body
Im suppose to use 2d arrays to put friends lists names/database number. Then I am suppose to print those.
Then finally i am suppose to compare the 3 arrays created with 3 different prints showing the common friends and how many each person has in common.
common friends and count: Bill/Frank: Malice 1 common friends and count: Bill/Alice: Jim Malice 2 common friends and count: Frank/Alice: Bill Jack Malice 3
import java.util.Arrays;
public class Jonny_hw5p1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
String [] [] jonny = {{"james","John", "george",
"Jesse"},{"Jonny jones", "0"}};
String [] [] james =
{{"Jonny","Jenna","Jerome","Jesse"},{"James Smith", "1"}};
String [] [] george = {{"James","Lord","Frank","Freddy"},{"George Davis","2"}};
Arrays.sort(jonny);
System.out.println("Jonny's account info. and friendslist: "
(Arrays.deepToString(jonny[1]) " " Arrays.deepToString(jonny[0])));
Arrays.sort(james);
System.out.println("James' account info. and friendslist: " (Arrays.deepToString(james[1]) " " Arrays.deepToString(james[0] )));
Arrays.sort(george);
System.out.println("George's account info. and friendslist: " (Arrays.deepToString(george[1]) " " Arrays.deepToString(george[0] )));
//iterating arrays
for (int i=0; i< jonny.length;i ) {
for(int j=0;j< james.length;j ) {
if (jonny[i] == james[j]) {
System.out.println("Common friends and count: Jonny/James: " jonny[i]);
}
} } }
}
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