What will be the output of the following java code?
public class Test {
public static void main (String[] args) throws Exception {
Thread.sleep(1000);
System.out.println("thread sleep");
}
}
What will be the output of the following java code?
public class Test implements Runnable {
public void run() {
for (int i = 0; i < 2; i++) {
System.out.print(i);
}
}
public static void main(String[] args) throws Exception {
Thread t = new Thread(new Test());
t.start();
System.out.print("started");
t.join();
System.out.print("completed");
}
}
What will be the output of the following java code?
public class Test extends Thread {
public void run() {
System.out.print("Start");
delay(1000);
System.out.print("End");
}
private static void delay(long n) {
try {
Thread.sleep(n);
} catch (Exception e) {
System.out.print("Error");
}
}
public static void main(String[] args) {
Thread t = new Thread(new Test());
t.start();
}
}
What will be the output of the following java code?
public class Test implements Runnable {
int a = 0;
public void run() {
int digit = 0;
for (int i = 0; i < 3; i++) {
digit = a;
System.out.print(digit + ",");
a = digit + 2;
}
}
public void hello() {
Test tst = new Test();
new Thread(tst).start();
new Thread(tst).start();
}
public static void main(String[] args) {
new Test().hello();
}
}
What will be the output of the following java code?
import java.util.ArrayList;
import java.util.List;
public class Test {
private List list = new ArrayList();
public synchronized void add(String name) {
list.add(name);
}
public synchronized void printData() {
for (int i = 0; i < list.size(); i++) {
System.out.print(list.get(i) + ",");
}
}
public static void main(String[] args) {
final Test tst = new Test();
for (int i = 0; i < 2; i++) {
new Thread() {
public void run() {
tst.add("java");
tst.add("spring");
tst.printData();
}
}.start();
}
}
}
