node_worker_share.js

let w = new Worker(`
        const { parentPort } = require('worker_threads');
        parentPort.on('message', (m) => {
          const x = m.random.nextInt(100);
          const y = m.random.nextInt(100);
          var Point = Java.type('java.awt.Point');
          parentPort.postMessage(new Point(x,y));
        });
`, {eval:true});

const JavaRandom = Java.type('java.util.Random');
w.postMessage({random : new JavaRandom()});
w.on('message', (point) => {
  console.log(`got back a random point! (${point.x},${point.y})`);
});