Java递归调用 JVM三大存储空间

public class recursiveCall {
    public static void main(String[] args) {
        int a=10,b=20;
        int retValue=sumINt(a,b);
        System.out.println(retValue);
    }
    public static int sumINt(int i,int j){
        int result =i+j;
        int num = 3;
        int retValue = divide(result,num);
        return retValue;
    }
    public static int divide(int x,int y){
        int z = x/y;
        return z;
    }
}