请问java中非静态方法怎么调用？

Question

以下为参考书本以及一些帖子，写下的构建方法的程序。小白课程中刚学会构建方法并进行初始化，作业要求构建方法显示数据并使用该方法初始化。此前出错预览了一些帖子，修改过构建方法中的类型，但是一直出错，求大佬帮忙看看。

以下为版本1

//Object.java
//21/04/11
import javax.swing.JOptionPane;
//method to present the detail
class ObjectStore{
              String output；
              public void code(){
                  ouput = JOptionPane.showMessageDialog(null,"a bike with marked code is 19")
} 
              public void address(){
                  ouput + = "owned by the person who lives at 14 King Road"
} 
              public void district(){
                  ouput += "which is in police district 10"
} 
              public void show(){
                    JOptionPane.showMessageDialog(null,output, "The bike message" , JOptionPane.PLAIN_MESSAGE);
}
} 
//end the method to present the detail
}

public class Object{     
        public static void main(String arg[]){
               ObjectStore BikeInformation = new ObjectStore().show;

}
//end the main method
}
//end the class Object
                     

//Object.java
//21/04/11
import javax.swing.JOptionPane;
//method to present the detail
class ObjectStore{
               String Code;
              String Address;
               int District;

              public String setcode(String A){
                    this.Code = A;
	    return Code;
} 

              public  int setdistrict(int B){
                   this.District= B;
	   return District;
}

             public  String setaddress(String C){
                   this.Address= C;
	   return Address;
}                 
//end the method to present the detail
}
class TEST{ 
        public static void main(String arg[]){
               ObjectStore BikeInformation = new ObjectStore();
               ObjectStore.setcode("AXB");
               ObjectStore.setdistrict(19);
               ObjectStore.setaddress("14 Kings Road");
             JOptionPane.showMessageDialog(null,"a bike with marked code" +BikeInformation. Code + "owned by the person who lives at"
                                                                              + BikeInformation.Address + ",which is in police distric"
                                                                              + BikeInformation.District," The bike message ", JOptionPane.PLAIN_MESSAGE);
}
//end the main method
}
//end the class Object
                     

Answer 1

package Solutionmst1606;

//Object.java
//21/04/11
import javax.swing.JOptionPane;

//method to present the detail
class ObjectStore {
	String Code;
	String Address;
	int District;

	public String setcode(String A) {
		this.Code = A;
		return Code;
	}

	public int setdistrict(int B) {
		this.District = B;
		return District;
	}

	public String setaddress(String C) {
		this.Address = C;
		return Address;
	}
//end the method to present the detail
}

class TEST {
	public static void main(String arg[]) {
		ObjectStore BikeInformation = new ObjectStore();
		BikeInformation.setcode("AXB");
		BikeInformation.setdistrict(19);
		BikeInformation.setaddress("14 Kings Road");
		JOptionPane.showMessageDialog(null,
				"a bike with marked code" + BikeInformation.Code + "owned by the person who lives at"
						+ BikeInformation.Address + ",which is in police distric" + BikeInformation.District,
				" The bike message ", JOptionPane.PLAIN_MESSAGE);
	}
//end the main method
}
//end the class Object

。