Hi members,
I wrote the homework of Built in Classes, but there is a problem in my
function(Exception in thread "main" java.lang.NullPointerException at
BuiltinClasses.generateNewName(BuiltinClasses.java:35) at
BuiltinClasses.main(BuiltinClasses.java:27)). Here is my code.
public class BuiltinClasses {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
if(args.length<3)
{
System.out.println("You must enter at least three names!!!");
}
System.out.println("Names of the family members are ");
for(int i=0;i<args.length;i++)
{
System.out.println(args[i]);
}
generateNewName(args);
}
public static void generateNewName(String arr[])
{
System.out.println("The new name is ");
char[] newName = null;
for (int i=0;i<arr.length;i++)
{
newName[i]=arr[i].charAt(1);
System.out.print(newName[i]);
}
}
}
Regards
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