- 使用循环遍历数组,逐个赋值:
int[]arr=newint[5];
for(inti=0;i<arr.length;i++){
arr[i]=i+1;
}
int[]arr={1,2,3,4,5};
int[]arr=newint[5];
Arrays.fill(arr,0);
int[]arr1={1,2,3,4,5};
int[]arr2=newint[arr1.length];
System.arraycopy(arr1,0,arr2,0,arr1.length);