📄 workercanvas.java
字号:
/********************************************************/
// j.n.magee 16.4.98
package concurrency.supwork;
import java.awt.*;
import java.applet.*;
class WorkerCanvas extends Panel {
Label title = new Label(" Task:");
Label value = new Label(" ");
Font f1 = new Font("Helvetica",Font.BOLD,18);
Color worker;
WorkerCanvas(Color c) {
worker = c;
setBackground(c);
setLayout(new GridLayout(1,2));
add(title); title.setFont(f1);
add(value); value.setFont(f1); value.setBackground(Color.lightGray);
}
// display current task number val
synchronized void setTask(int val) {
value.setText(" "+val+" ");
}
}
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