Pass an integer by reference : int « Data Type « Java

1. Java
2. Data Type
3. int

Pass an integer by reference

     

public class Main {
  public static void main(String[] argv) {
    int[] a = new int[1];
    a[0] = 1;
    add(a);
    System.out.println(a[0]);
  }

  static void add(int[] a) {
    a[0] = a[0] + 2;
  }
}
// 3

   
    
    
    
    
  

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