String[] str_array = {"1","2","3","4","90"};
int[] int_array = new int[str_array.length];
for(int i = 0; i< str_array.length; i ++){
int_array[i]=Integer.parseInt(str_array[i]);
}
int[] int_array = new int[str_array.length];
for(int i = 0; i< str_array.length; i ++){
int_array[i]=Integer.parseInt(str_array[i]);
}
String[] str_array = {"1","2","3","4","90"};
int[] int_array = new int[str_array.length];
for(int i = 0; i< str_array.length; i ++){
int_array[i]=Integer.parseInt(str_array[i]);
}
只能在循环中用Integer.parseInt()一个一个的转换