How to use import java.lang
My code.. import java.util.Scanner; import java.lang.*; //import java.io.*;I public class BankTransaction { public static void main (String args[]) ) { //TODO code application logic here Scanner var=new(System.in); int pin; double initial, amount, sum, difference; initial = 5000.00; System.out.println ("Enter your pin:"); pin=var. nextInt (); { Doesn't seem to work and always turn into like this.. java.lang.ClassNotFoundException: Didn't find class "null.BankTransaction" on path: DexPathList[[dex file "/storage/emulated/0/JavaNIDE/PrestonBank/app/build/dexedClasses/classes.dex"],nativeLibraryDirectories=[/vendor/lib, /system/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)... ...every time i run it