Java 配列

▼通常for 

  1. public static void main(String[] args){
  2. int[] array = {15,11,14,18,19};
  3. for(int i=0;i<5;i++){
  4. int num = array[i];
  5. System.out.println(num);
  6. }
  7. }

▼拡張for 

  1. public static void main(String[] args){
  2. int[] array = {15,11,14,18,19};
  3. for(int num : array){
  4. System.out.println(num);
  5. }
  6. }

▼合計 

  1. public static void main(String[] args){
  2. int[] array = {15,11,14,18,19};
  3. int sum = 0;
  4. for(int num : array){
  5. sum += num;
  6. }
  7. System.out.println(sum);
  8. }
i:
array:
01234
1511141819
sum:
num:
for条件判定:
標準出力: