Linked Questions
64 questions linked to/from Java Pass Method as Parameter
552
votes
8
answers
967k
views
How to pass a function as a parameter in Java? [duplicate]
In Java, how can one pass a function as an argument to another function?
- 5,701
19
votes
8
answers
64k
views
How do I pass method as a parameter in Java? [duplicate]
Possible Duplicate:
Java Pass Method as Parameter
Is it possible to pass a method as a parameter in Java? If I can't what would be the best course of action for the method below without having to ...
- 3,776
1
vote
4
answers
16k
views
How to pass a member function as a parameter in java? [duplicate]
My collect() function calls Foo.f(). I would like to make Foo.f() itself a parameter of my function. Is this possible in Java?
How can I pass either Foo.f() or Foo.g() (or any other function of Foo ...
- 21.1k
5
votes
3
answers
24k
views
How to pass methods as parameters? [duplicate]
I have a class with bunch of methods. In another class, I need to write a method, that handles the input values. To that method, I want to pass the method of the class that I want to call. How can we ...
- 427
3
votes
5
answers
2k
views
Java: Passing a Function as a Parameter like in JavaScript? [duplicate]
I'm trying to write a function, so I can pass a function as a parameter, such as
public class HashFunction {
private Function f;
public HashFunction(Function f) {
this.f=f;
}
...
- 3,237
3
votes
2
answers
1k
views
Java 8 how to pass a non-functional method as parameter [duplicate]
I have a class which contains multiple methods:
Class SimpleClass {
methodA(var1, var2) {
//body
}
methodB(var1, var2) {
//body
}
....
}
Using java 8 Lambda, can I ...
- 3,356
0
votes
1
answer
6k
views
Passing getter/setter as a method reference [duplicate]
I have a bunch of entries like these two:
if (update) {
if (activity.getName() == null) {
logger.debug(" Setting name on " + id);
} else
...
- 2,761
3
votes
1
answer
3k
views
What is the Java equivalent of a JavaScript callback? [duplicate]
I am experienced in JavaScript but new to Java. I am trying to figure out how to pass a function as a parameter of another function. In JavaScript this would like the block in Figure 1.
Figure 1
...
- 11.7k
1
vote
2
answers
3k
views
Is there a way to pass a method as a parameter to a method? [duplicate]
I'm writing a program and I want to know if I can pass a method as a parameter of another method. For example, something of the following:
public boolean update(Method m){ //input is a method
int ...
- 579
0
votes
3
answers
1k
views
How to call a method with function input in Java? [duplicate]
I have a Class that have a function like this:
public class Entity{
public void apply(final Function<Item, Item> function) {}
}
How do make a Call in such method?
Example:
Entity entity ...
- 579
4
votes
4
answers
131
views
I need to understand syntax of this java code [duplicate]
Can some please help me with syntax of following java code?
list.stream()
.filter(name -> name.startsWith("f"))
.map(String::toUpperCase)
.sorted()
.forEach(System.out::println);`
is ...
- 75
0
votes
1
answer
968
views
Actual parameters in Java [duplicate]
I'm new to Java and I'm confused about actual parameters in Java. Since it's just parameters, I assume that literals, constants,variables, expressions can be actual parameters during function calling.
...
- 213
-2
votes
2
answers
315
views
Java - Passing and executing a function [duplicate]
Is there a way of passing a function to another function and then executing it?
functionCaller(functionToBeCalled());
- 567
0
votes
4
answers
303
views
Java: Specify method in method parameters? [duplicate]
Is it possible to specify a method as a method parameter?
e.g.
public void someMethod(String blah, int number, method MethodName)
Where MethodName is the name of a different method that needs to be ...
- 558
1
vote
1
answer
100
views
Is it possible to have a non static method as a parameter [duplicate]
public static String answer(vector alpha, vector beta){
return (alpha.additionVector(beta)).vectortoString();
}
I want to apply this method to other operations. However, the other operators ...
- 13