All Questions
25
questions
3
votes
2
answers
577
views
Is there a way of accessing the properties of an object in java by using a string to represent the property's name, just like in JavaScript?
In JavaScript you can access a property of an object in two ways:
object.property
object["property"]
In Java, I am only aware of the first way. Is there a way to access a Java object's ...
- 237
0
votes
1
answer
235
views
Get object properties from a generic object in java
I have a method to get properties from a generic object in c# below. How can I get the same in java?
public string GetProperty<T>(T obj)
{
var s = string.Empty;
...
1
vote
1
answer
403
views
How to use properties value as fixed value map at spring framework?
I have to mapping properties value as public static immutable Map.
I googling hard n have been try many solution to my code, but they always return null.
I try many way but nothing works for me..
...
- 32
0
votes
1
answer
609
views
How to add properties functions to objects from another class in Java?
In Javascript we can define an object like this 👇
let obj={
property1:67,
func1: function (){
//Some code
}
}
Now if we want add a new property to obj I can just add a new ...
- 830
0
votes
1
answer
995
views
How do I access an object property/key in Java (Android) by string variable
EDIT: To clarify, I want to get the value of the property, not the name of the property. I know the name of the property but I need to access the property via a string containing the property name. I ...
- 11
1
vote
1
answer
279
views
Can't access object properties inside Arraylist inside another Arraylist, Java
This is the class that creates the objects:
class cards_type{
String color;
String number;
public cards_type(final String input_color, final String input_number) {
color = input_color;
...
- 19
0
votes
1
answer
2k
views
How to add multiple properties to objects more efficiently
I've been messing around with Java, and I've set a JButton as so:
JButton operator = new JButton;
When I try to set a property for JButton operator, it works:
operator.setFont(new Font("Chalkboard",...
- 185
2
votes
1
answer
2k
views
java copy ONLY non-null modified properties value from one object to another object
In my Java application, copy ONLY non-null modified properties value from one object to another object.
Class Emp{
private String name;
private int age;
private String city;
// setter ...
- 1,253
2
votes
2
answers
4k
views
Set Values in JAVAFX table view -objects with another object
My DTO Object contain another two objects. I need to set the value of those also in to the table.
controller.java
package controller;
import com.jfoenix.controls.JFXButton;
import com.jfoenix....
- 117
0
votes
0
answers
733
views
How to copy properties from one object to another?
I am implementing a audit service and I want to copy properties of the auditing object to the log object. The log object contains the same properties as the auditing object and some additional ...
2
votes
6
answers
12k
views
How to exclude in JSON property of an object (inside output class)?
Let's say I an output class that will be converted to JSON:
StudentSummary.java
public class StudentSummary {
private StudentList studentList;
// getters setters
}
and
StudentList.java
...
-3
votes
1
answer
368
views
Cant access object properties java
List<Employeee> employees = new ArrayList<>();
Scanner scanner = new Scanner(System.in);
String[] input = new String[6];
int n = Integer.valueOf(scanner.nextLine());
for (int i = 0; i < ...
- 736
2
votes
1
answer
1k
views
Instantiate objects by configuration file on java
I have this object:
public class TheObjectToInstantiate{
public String Name;
public String Surname;
public TheObjectToInstantiate(){
}
}
I want to instantiate an array of TheObjectToInstantiate[]...
- 1,433
3
votes
3
answers
9k
views
Java Arraylist<Object> want to merge the objects if they have the same property value
Java ArrayList, filled with objects called packinglistrows which hold three key values ( ISBN, PalletNumber, Quantity), along with other properties.
I have this ArrayList with all the same ISBN ...
- 1,057
0
votes
1
answer
108
views
Change Object properties without defining in a seperate class
Hi I've run into an issue in one of my programs which I have demonstrated below (not the actual program this just makes the problem clear.) Anyway I need to change the properties of an object in ...
- 302