public class Class1 {
    String str = new String;
    public String method1(){
        String str2 = "qwerty";
    return str2;
    }
}
//=========================================================


public class Class2 implements ActionListener{
//-----
    Class1 parent;
    Run (Class1 parent){
        this.parent = parent;
    }
//-----
    public void actionPerformed(ActionEvent e){
       System.out.println(parent.method1());
    }