String length in android studio

text = et.getText().toString();
if (text == null || text.length() < 3 || text.length > 8) {
    tv.setText("Invalid length, should be from 3 to 8 characters. Please check your code");
} else {
    a = text.substring(0,1);
    b = text.substring(1,2);

    c = text.substring(3,4);
    if (text.length() > 3) {
      d = text.substring(4);
    } else {
         d = null;
    }
}

Source: stackoverflow.com

Similar codes

0 vote107 views1 answer
Java convert string to int and compare
Java
3 votes135 views1 answer
Java list size
Java
0 vote115 views1 answer
What is graphics default color java
Java
3 votes92 views5 answers
Math ceil java
Java
0 vote118 views1 answer
Android send fragment context
Java
0 vote107 views1 answer
How to make an activity default in android studio
Java
6 votes97 views2 answers
++i vs i++ java
Java
1 vote87 views1 answer
Dexter dependency
Java
0 vote116 views1 answer
Reverse string in java - toCharArray()
Java
0 vote97 views1 answer
How to open a folder in java swing project
Java