system.in example in java
package com.mkyong.io;
import java.util.Scanner;
public class JavaScanner {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String input = "";
while (!"q".equalsIgnoreCase(input)) {
System.out.print("Enter something (q to quite): ");
input = scanner.nextLine();
System.out.println("input : " + input);
}
System.out.println("bye bye!");
}
}multithreading
//Bless anyone who decides to follow this pathwhat is multithreading
Multithreading is a model of program execution
that allows for multiple threads to be created
within a process, executing independently but
concurrently sharing process resources.
Depending on the hardware, threads can run
fully parallel if they are distributed to their own CPU core.how to do multithreading
import threading
def func1():
# your function
def func2():
# your function
if __name__ == '__main__':
threading.Thread(target=func1).start()
threading.Thread(target=func2).start()multithreading
#!/usr/bin/python
import thread
import time
# Define a function for the thread
def print_time( threadName, delay):
count = 0
while count < 5:
time.sleep(delay)
count += 1
print "%s: %s" % ( threadName, time.ctime(time.time()) )
# Create two threads as follows
try:
thread.start_new_thread( print_time, ("Thread-1", 2, ) )
thread.start_new_thread( print_time, ("Thread-2", 4, ) )
except:
print "Error: unable to start thread"
while 1:
passmultithreading in java
class Count implements Runnable
{
Thread mythread ;
Count()
{
mythread = new Thread(this, "my runnable thread");
System.out.println("my thread created" + mythread);
mythread.start();
}
public void run()
{
try
{
for (int i=0 ;i<10;i++)
{
System.out.println("Printing the count " + i);
Thread.sleep(1000);
}
}
catch(InterruptedException e)
{
System.out.println("my thread interrupted");
}
System.out.println("mythread run is over" );
}
}
class RunnableExample
{
public static void main(String args[])
{
Count cnt = new Count();
try
{
while(cnt.mythread.isAlive())
{
System.out.println("Main thread will be alive till the child thread is live");
Thread.sleep(1500);
}
}
catch(InterruptedException e)
{
System.out.println("Main thread interrupted");
}
System.out.println("Main thread run is over" );
}
}Copyright © 2021 Codeinu
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