package com company class Bitcoin extends Thread Override public void

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package com.company;
class Bitcoin extends Thread{
@Override
public void run() {
for (int i = 0; i < 10; i++) {
System.out.print(4 + " ");
}
}
}
public class Main {
public static void main(String[] args) {
new Thread(new Runnable() {
@Override
public void run() {
for (int i = 0; i < 10; i++) {
System.out.print(1 + " ");
}
}
}).start();
new Thread(new Thread(){
@Override
public void run() {
for (int i = 0; i < 10; i++) {
System.out.print(2 + " ");
}
}
}).start();
new Thread(){
@Override
public void run() {
for (int i = 0; i < 10; i++) {
System.out.print(3 + " ");
}
}
}.start();
new Bitcoin().start();
}
}