How to turn a numeric string into an integer array int[] in java

1, define a numeric string.

String? str？ =? " 1289898"; 2. Declare an int array according to the length of the string.

int？ ia[]？ =? New? int[str . length()]； 3. Loop the string and get the string through charAt.

for(int？ I = 0； I & ltstr. length (); i++){

Charles? c？ =? str . charat(I)； //Get the characters in the string one by one.

}4. Subtract the' 0' character from the obtained string C, which is the actual number.

for(int？ I = 0； I & ltstr. length (); i++){

Charles? c？ =? str . charat(I)； //Get the characters in the string one by one.

ia[I]=(int)(c-' 0 ')； //Number of Characters-The character 0 is the actual numeric value and is assigned to the numeric array.

}