可以通过构造器来传。 类A public class ClassA{ public String str; public ClassA(String a){ this.str = a; } }-------------------------------- 类B public class ClassB{ public JTextField tf = new JTextField("abc");}-------------------------------- 传递String public class App{ public static void main(String argv []){ ClassB b = new ClassB(); ClassA a = new ClassA(b.tf.getText()); } }
类A
public class ClassA{
public String str;
public ClassA(String a){
this.str = a;
}
}--------------------------------
类B
public class ClassB{
public JTextField tf = new JTextField("abc");}--------------------------------
传递String
public class App{
public static void main(String argv []){
ClassB b = new ClassB();
ClassA a = new ClassA(b.tf.getText());
}
}