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Java Problem Solving for Beginners (with solutions)

How to Pass Dynamic Number of Parameters in Java 📌[All Method]️

Richard ParkerFebruary 8, 2022

1 minute read

How to Pass Dynamic Number of Parameters in Java 📌[All Method]️ — How to Pass Dynamic Number of Parameters in Java All Method

The step-by-step guide on this page will show you How to Pass Dynamic Number of Parameters in Java. What should you do if you come across a code error! Let’s get started on fixing it.
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Suppose we want a single function to be able to support a dynamic number of parameters.

run();
run(int a, int b);
run(int a, int b, int c);

We can use a useful tool called varargs, or variable arguments, in Java.

It’s denoted by three periods ... in the function declaration.

How to Use Generics with Abstract Classes in Java For Different Parameter Types📌 📌[All Method]️

public void run(int... nums) {};

We can operate on nums as if it were an int[] array.

public void run(int... nums) {
    for (int num : nums)
        System.out.println(num);
};

We can pass in individual arguments like above, or pass in object arrays.

int[] nums = {1, 2, 3};
run(nums);

Now you learned, How you can use & How to Pass Dynamic Number of Parameters in Java.
If you have any questions or get stuck, please dont hesitate to reach out to me for help.