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Copy pathMultiThreading_Calculator.java
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135 lines (109 loc) · 3.79 KB
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import java.util.*;
import java.lang.Thread;
class Add implements Runnable{
int value;
public void run(){
System.out.println("\nThread ID : " + Thread.currentThread().getId());
Scanner int_sc = new Scanner(System.in);
System.out.println("Enter the first number : ");
int a = int_sc.nextInt();
System.out.println("Enter the second number : ");
int b = int_sc.nextInt();
value = a + b;
System.out.print(value);
}
}
class Sub implements Runnable{
int value;
public void run(){
System.out.println("\nThread ID : " + Thread.currentThread().getId());
Scanner int_sc = new Scanner(System.in);
System.out.println("Enter the first number : ");
int a = int_sc.nextInt();
System.out.println("Enter the second number : ");
int b = int_sc.nextInt();
value = a - b;
System.out.print(value);
}
}
class Mul implements Runnable{
int value;
public void run(){
System.out.println("\nThread ID : " + Thread.currentThread().getId());
Scanner int_sc = new Scanner(System.in);
System.out.println("Enter the first number : ");
int a = int_sc.nextInt();
System.out.println("Enter the second number : ");
int b = int_sc.nextInt();
value = a * b;
System.out.print(value);
}
}
class Div implements Runnable{
int value;
public void run(){
System.out.println("\nThread ID : " + Thread.currentThread().getId());
Scanner int_sc = new Scanner(System.in);
System.out.println("Enter the first number : ");
int a = int_sc.nextInt();
System.out.println("Enter the second number : ");
int b = int_sc.nextInt();
value = a / b;
System.out.print(value);
}
}
class Main{
public static void main(String[] args){
int ch;
do {
System.out.println("\n\n1 Addition \n2 Subtraction \n3 Multiplication \n4 Division \n");
Scanner int_sc = new Scanner(System.in);
System.out.println("Enter your choice : ");
ch = int_sc.nextInt();
switch(ch) {
case 0:
break;
case 1:
Thread t1 = new Thread(new Add());
t1.start();
try{
t1.sleep(5000);
}
catch(InterruptedException e){
e.printStackTrace();
}
break;
case 2:
Thread t2 = new Thread (new Sub());
t2.start();
try{
t2.sleep(5000);
}
catch(InterruptedException e){
e.printStackTrace();
}
break;
case 3:
Thread t3 = new Thread (new Mul());
t3.start();
try{
t3.sleep(5000);
}
catch(InterruptedException e){
e.printStackTrace();
}
break;
case 4:
Thread t4 = new Thread (new Div());
t4.start();
try{
t4.sleep(5000);
}
catch(InterruptedException e){
e.printStackTrace();
}
break;
}
} while (ch != 0);
}
}