public static void main(String[] args) {

int [] scoreList = new int[5];

scoreList[0] = 68;

scoreList[1] = 78;

scoreList[2] = 88;

scoreList[3] = 98;

scoreList[4] = 58;

/*

*1： 创建新的数组。长度是原来的1.5倍。

*2:依次取出原来数组的元素。取出放到新数组里

*/

int [] newList = new int[7];

// for(int i:scoreList ) {

// newList[]= i;

// }

// for(int i =0;i<scoreList.length;i++) {

// newList[i] = scoreList[i];

// }

for(int i :newList) {

System.out.println(i);

}

System.arraycopy(scoreList, 0, newList, 0, 3);

for (int i : newList) {

System.out.println(i);

}

}

}