Open class demonstration {

Private static void f1(int [] array) (

for(int i:array){

system . out . println(I)；

}

}

Public static void main(String[] args) {

int[]array = new int[5]；

for(int I = 0； I < array. Length; i++){

array[I]= I；

}

F 1 (array);

}

}

//Description: The array array in the main method is a real parameter, while the array array in the method f 1 is a formal parameter.