CpuLoadDemo.java

CpuLoadDemo.java

package org.example;

public class CpuLoadDemo {
    public static void main(String[] args) {
        int processors = Runtime.getRuntime().availableProcessors();
        System.out.println("Available processors: " + processors);
        
        for (int i = 0; i < processors; i++) {
            new Thread(() -> {
                while (true) {
                    heavyTask();
                }
            }, "HeavyTaskThread").start();

            new Thread(() -> {
                while (true) {
                    lightTask();
                }
            }, "LightTaskThread").start();
        }

    }

    private static void heavyTask() {
        double value = 0;
        for (int i = 0; i < Integer.MAX_VALUE; i++) {
            value += Math.sin(i) * Math.cos(i);
        }
        System.out.println("Heavy Task Done: " + value);
    }

    private static void lightTask() {
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
        System.out.println("Light Task Done");
    }

}