call by reference

public static void main(String[] args) { int a=20; float b=56.7f; float v=sum(a, b); // Call By Value System.out.println(v); int[]arr= {1,2,3,4,5}; // 배열의 총합? int vv=arrSum(arr); // Call By Reference(번지) System.out.println(vv); } public static float sum(int a,float b) { float v=a+b; return v; } public static int arrSum(int[] arr) { int sum=0; for(int k:arr) { sum+=k; } return sum; } Call by valu..